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Worksheets

Mechanical Energy

Total questions: 202

Worksheet time: 3hrs 57mins

Name
Class
Date
1.

An object is speeding up when: (Choose All That Apply) (May have to choose more than 1 to be right)

a)

it is gaining kinetic energy.

b)

it is losing kinetic energy.

c)

it is gaining gravitational potential energy.

d)

it is losing gravitational potential energy.

2.

The sum of the kinetic and potential energy in a system is known as the system's _____________________ energy.

a)

mechanical

b)

chemical

c)

thermal

d)

combined

3.

If a ball tossed into the air has a maximum gravitational potential energy of 5.75 joules, what is its maximum kinetic energy in the same toss?

a)

5.75 joules

b)

11.14 joules

c)

2.88 joules

d)

7.93 joules

4.

What is the MECHANICAL energy of the roller coaster car?

a)

100 joules

b)

50 joules

c)

2500 joules

d)

1 joule

5.

A 1.0 kg ball is stationary at the top of a hill that is 10.0 meters in height. The ball rolls all the way down the hill. What is its gravitational potential energy at the bottom of the hill?

a)

0 joules

b)

98 joules

c)

49 joules

d)

38 joules

6.

This drawing illustrates which of the following?

a)

Conservation of Mechanical Energy

b)

Conservation of Mass

c)

Conservation of Momentum

d)

Conservation of Matter

7.

What was the Potential energy of the car at very top of the hill if the car had 0 J of Kinetic energy?

a)

100 joules

b)

50 joules

c)

2500 joules

d)

1 joule

8.

What was the Kinetic energy of the car at near the bottom of the hill if the car still had 10 J of Potential energy?

a)

10 joules

b)

50 joules

c)

90 joules

d)

500 joule

9.

At which point in the picture must the cart have been moving the fastest?

a)

Point 1

b)

Point 2

c)

Point 3

d)

They would all be the same

10.

At which point in the picture must the cart have the most MECHANICAL energy?

a)

Point 1

b)

Point 2

c)

Point 3

d)

They would all be the same

11.

A student made a list of activities that involve energy.


1.Swimming in the river

2.Cooking a pizza in the oven

3.Watching TV

4.Climbing a tree

5.Playing soccer


Which activities on the list are examples of the use of mechanical energy?

a)

A. Activities 1, 3, 5

b)

B. Activities 1, 2, 4

c)

C. Activities 1, 4, 5

d)

D. Activities 2 and 3

12.

Which example below uses only mechanical energy?

a)

A. Watching your favorite TV show with your family

b)

B. Hitting a baseball with a baseball bat in the front yard

c)

C. Talking to your grandmother on the telephone

d)

D. Heating up hot water on the stove for hot chocolate

13.

The energy associated with the motion and position of an object is

a)

A. Electrical Energy

b)

B. Mechanical Energy

c)

C. Light Energy

d)

D. Sound Energy

14.
A student launches a paper plane during a science investigation.  Which type of energy is observed as the paper plane flies?
a)
light
b)
thermal
c)
electrical
d)
mechanical
15.
Barbara went bike riding.  Her pedaling caused the bike to move.  Which form of energy allowed the bike to move?
a)
sound
b)
light
c)
thermal
d)
mechanical
16.

Which of the following actions does not require mechanical energy to function?

a)

Sharpen a pencil.

b)

Riding a bike.

c)

Rotating a motor.

d)

Melting ice.

17.
Jason climbs a ladder to hang lights on his house.  What type of energy does he use?
a)
Electrical Energy
b)
Mechanical Energy
c)
Thermal Energy
d)
Sound Energy
18.
What energy do you produce riding your bike? __________
a)
Sound Energy
b)
Mechanical Energy
c)
Light Energy
d)
Electrical Energy
19.

Which statement best defines Mechanical Energy?

a)

Energy produced by a machine or moving part.

b)

Energy that is produced by an electrical current in a circuit.

c)

Energy from the sun.

d)

Energy that travels in waves due to vibrations.

20.

What has to be true about an object for it to have kinetic energy?

a)

it must be moving

b)

it must be elevated

c)

it must be experiencing a net force

d)

it must be accelerating

21.

Does your desk have kinetic energy right now? Explain and justify your answer.

a)

yes because it is sliding across the room right now

b)

no because it is not moving

c)

yes because it has someone sitting in it

d)

no because it is here on earth

22.
What energy do you produce riding your bike? __________
a)
Sound Energy
b)
Mechanical Energy
c)
Light Energy
d)
Electrical Energy
23.

Which is the least amount of potential energy?

a)

a ball at the top of a hill

b)

a roller coaster going down a hill

c)

a child at the top of a slide

d)

a car parked in a parking lot

24.

Which is an example of an object that has kinetic energy?

a)

a book on top of a desk

b)

a cup of water on a table

c)

a ball rolling down a hill

25.

An object at rest has potential energy. Which object has potential energy?

a)

A ball rolling down a hill

b)

A stretched rubber band

26.

What is mechanical energy?

a)

Mechanical energy is energy that gives us heat.

b)

Mechanical energy is a form of energy.

c)

Mechanical energy is a form of energy. It is all the energy that an object has because of its motion and its position.

d)

Mechanical energy is made by the vibrations of objects.

27.

Is mechanical energy also kinetic energy?

a)

Yes

b)

No

28.

Is mechanical energy also potential energy?

a)

Yes

b)

No

29.

What is potential energy?

a)

Potential energy is the energy an object has because of its motion.

b)

Potential, or stored, energy comes from the position of an object.

30.

What is kinetic energy?

a)

Kinetic, or moving, energy comes from the motion of an object.

b)

Kinetic, or stored, energy comes from the position of an object.

31.

Which is an example of potential energy?

a)

A person walking

b)

A rock rolling down a hill

c)

A rock on top of a hill

d)

A child riding a bike

32.

Which is an example of kinetic energy?

a)

A book sitting on a table

b)

A person walking

c)

A rock sitting on a hill

d)

A bicycle in a garage

33.

Energy can cause motion. Which of the following is an example of the energy of motion?

a)

An oven baking bread.

b)

A bike being pedaled up a hill.

c)

A football on the ground.

d)

A beam of light from headlights on a car.

34.

A ball is rolling down a hill.

At 5 meters it is going 1.2 mps

At 10 meters it is going 2.3 mps

At 15 meters it is going 4.8 mps


What is true?

a)

The ball went slower as it traveled.

b)

The speed of the ball did not change.

c)

The ball went faster as it traveled.

d)

The speed of the ball increased then decreased.

35.

A book sits on a the edge of a shelf. During an earthquake the book falls off the shelf.


What type of energy did the book have when it was falling?

a)

Heat energy

b)

Energy of motion

c)

Electrical energy

d)

Light energy

36.

The spinning turbine creates electrical energy.

What is the source of energy that causes the blades of the turbine to move?

a)

Coal

b)

Natural gas

c)

Sun’s energy

d)

Wind

37.

This is a hydroelectric power plant. What is the source of energy that generates electricity.

a)

The rushing water.

b)

The spinning turbine.

c)

The wind.

d)

Solar energy.

38.

Energy can not transfer from one form to another.

a)

True

b)

False

39.

is the energy of motion

a)

Mechanical

b)

Kinetic

c)

Potential

d)

the force

40.

Potential Energy

a)

when school could possibly be out and everyone could go outside and just ride bikes

b)

is the total amount of energy an object has

c)

is the energy of motion

d)

is the energy something has because of it's position of condition

41.

A girl has a pogo stick and the springs potential energy, plus the energy of the girl bouncing equals her __________

a)

mechanical energy

b)

potential energy

c)

kinetic energy

d)

light energy

42.

Gracie uses the height of a chair ... what type of potential energy is she using?

a)

Elastic 

b)

Gravitational

c)

Chemical

d)

Nuclear

43.

As mass decreased, kinetic energy ________________.

a)

increases

b)

stays the same

c)

decreases

d)

doubles

44.

Kinetic energy is the energy of _______________.

a)

motion

b)

position

c)

potential

d)

electrical

45.

Which would increase the kinetic energy of a wagon? C

a)

increase the mass only

b)

increase the mass and speed

c)

decrease the mass only

d)

decrease the mass and speed

46.

Which has kinetic energy?

a)

a tank of gasoline

b)

a moving car

c)

a battery

d)

water in a reservoir

47.

Which type of energy does an object NOT have if it is not moving?

a)

gravitational

b)

kinetic

c)

thermal

d)

potential

48.

Moving a book to a lower shelf ____________ the potential energy.

a)

decrease

b)

increases

c)

triples

d)

doubles

49.

A rock at the edge of a cliff has ___________ energy because of its position.

a)

electrical

b)

potential

c)

thermal

d)

kinetic

50.

Energy that is stored is ___________ energy.

a)

electrical

b)

kinetic

c)

thermal

d)

potential

51.

If an object is on top of a hill or in a position raised above the ground, it must have _____________ energy.

a)

thermal

b)

gravitational potential

c)

kinetic

d)

electrical

52.

Which would increase the kinetic energy of a wagon?

a)

Take mass out of the wagon

b)

Decrease the speed of the wagon

c)

Add mass to the wagon

d)

Air up the tires

53.

According to the law of conservation of energy, energy cannot be _____________________________________.

a)

destroyed.

b)

conserved.

c)

changed ever.

d)

created nor destroyed.

54.

In every energy transformation, some energy is always lost as ____________ energy.

a)

thermal

b)

potential

c)

kinetic

d)

electrical

55.

Work ____________ energy.

a)

creates

b)

transfers

c)

destroys

d)

subdues

56.

Which equation is correct?

a)

Mechanical energy=kinetic energy-potential energy

b)

mechanical energy=potential energy -kinetic energy

c)

mechanical energy= kinetic energy + potential energy

d)

Mechancal energy= kinetic energy x potential energy

57.

What force makes objects fall to the group when we drop them?

a)

friction

b)

gravity

c)

push

d)

magnetism

58.

Energy cannot be created nor destroyed it just transferred from one form to another. This law is known as ______.

a)

Law of Momemtum

b)

Newton's Law of Motion

c)

Law of Conservation of Energy

d)

Mass and Energy Equavalence

59.

______________ is the ability to do work.

a)

weight

b)

transfer

c)

energy

d)

collide

60.

___________________ is the sum of kinetic and potential energy.

a)

kinetic energy

b)

mechanical energy

c)

potential energy

d)

distance

61.

The energy of motion is __________ energy.

a)

kinetic

b)

potential

c)

mechanical

d)

distance

62.

The energy stored in an object is ______________energy.

a)

mechanical

b)

kinetic

c)

distance

d)

potential

63.

Someone holding a stretched rubber band is an example of ____________________ energy.

a)

potential

b)

kinetic

64.

A batter swinging a bat is an example of ____________energy.

a)

potential

b)

kinetic

65.

A roller coaster on top of a hill is an example of _____________ energy.

a)

potential

b)

kinetic

66.

A flowing river is an example of _______________ energy.

a)

potential

b)

kinetic

67.

Does a bicycle have more potential energy on top of a hill or half way down a hill?

a)

It has the same amount of potential energy no matter where it is on the hill.

b)

A bicycle does not have potential energy anywhere on the hill.

c)

A bicycle on top of the hill will have more potential energy than one half way down the hill.

d)

A bicycle half way down the hill will have more potential energy than one on top of the hill.

68.

Transfer means which one of the following?

a)

to move one object away from another

b)

when one object hits another object

c)

to move from one object to another

d)

the energy stored in an object

69.

When would the potential energy of a marble on a hill change to kinetic energy?

a)

when the marble is sitting still on top of the hill

b)

when the marble stops rolling at the bottom of the hill

c)

when the marble starts rolling down the hill

d)

The marble will never have kinetic energy.

70.

Which best describes what is happening when a ball standing still begins to roll.

a)

The ball's potential energy is increasing, and the kinetic energy is decreasing.

b)

The ball's potential energy is decreasing , and the kinetic energy is increasing.

71.

If you decrease the height of an object, the amount of energy it can transfer does what?

a)

decreases

b)

increases

c)

stays the same

d)

none of these

72.

When you increase the weight of a moving object, the amount of energy it can transfer does what?

a)

decreases

b)

stays the same

c)

increases

d)

none of these

73.

Which of the following situations involves potential energy changing into kinetic energy?

a)

a ball coming to a stop

b)

a person standing still

c)

a car as it starts moving

74.

Which of the following situations involves kinetic energy changing into potential energy.

a)

a rolling ball coming to a stop

b)

a bicycle rolling down a hill

c)

a toy car being pushed across the floor

75.

What is the the Law of Conservation of Energy?

a)

Energy CAN be created or Destroyed

b)

Energy CAN NOT be created or Destroyed

76.

The image shows three positions (W, X, and Y) of a pendulum during its motion.


If the pendulum swings consistently according to the Law of Conservation of Energy, which statement is true?

a)

Potential energy will be maximum at positions W and Y and minimum at X.

b)

Kinetic energy will be maximum at positions W and Y and minimum at X.

c)

Potential energy will be maximum at positions W and X and minimum at Y.

d)

Kinetic energy will be maximum at positions W and X and minimum at Y.

77.

The diagram shows the various energies possessed by a ball falling from a height of 20 m.


Which statement is an accurate conclusion made from the data?

a)

The total energy of the ball decreases during its fall.

b)

The total energy of the ball is equal to potential energy.

c)

The total energy of the ball remains constant during its fall.

d)

The total energy of the ball is converted into kinetic energy during its fall.

78.

A student makes a diagram of a cart at three different positions on a hill to demonstrate the transformation of kinetic energy to potential energy as the cart moves through the positions.


Assuming no energy is lost to friction, which graph demonstrates the correct energy transformations at the three positions?

a)
b)
c)
d)
79.

Amanda listed a few observations in her notebook.


In which observation(s) is kinetic energy transformed to potential energy?

a)

observation 1

b)

observation 4

c)

observations 1 and 2

d)

observations 2 and 3

80.

The image shows a roller coaster car at five positions along its track.


For which parts of the motion is some part of the kinetic energy of the car transformed into potential energy?

a)

when moving from 1 to 2 and 4 to 5

b)

when moving from 2 to 3 and 3 to 4

c)

when moving from 2 to 4 and 4 to 5

d)

when moving from 1 to 2 and 2 to 4

81.

Unbalanced forces ALWAYS result in which of the following?

a)

acceleration

b)

constant velocity

c)

constant speed & direction

d)

inertia

82.

Which of the following is NOT an example of unbalanced forces?

a)

a turning car

b)

a car breaking to a stop

c)

a car traveling 60 mph constantly

d)

a car accelerating down a hill

83.

Which of the following is NOT an example of unbalanced forces?

a)

a skateboard speeding up down a ramp

b)

a skateboard popping up in the air, then back down

c)

a skateboard slowing down to a stop

d)

a motionless skateboard

84.

Which of the following is NOT an example of balanced forces?

a)

a roller coaster moving forward at a constant speed of 10 m/s

b)

a roller coaster sitting motionless while passengers get on

c)

a roller coaster going around a loop at a constant speed

85.

Which of the following describes the motion of the door?

a)

increasing speed to the left

b)

constant speed to the left

c)

increasing speed to the right

d)

constant speed to the right

86.

What change in motion will occur if Cindy & Alex increase their force to 40N?

a)

the door's motion to the right will slow

b)

the door's motion will stop

c)

the door's motion will immediately shift to the left

d)

the door's motion to the left will slow down

87.

Which of the following would naturally result in acceleration? *multiple answers*

a)

going uphill or downhill

b)

a flat stretch of unchanging road

c)

a change in surface friction

d)

a turn

88.
a)

1 & 3

b)

2 & 3

c)

2 & 4

d)

3 & 4

89.
a)

The speed of the cart decreases as the cart rolls down the ramp because of friction between the cart and ramp.

b)

The speed of the cart increases as the cart rolls down the ramp because the force acting on the cart is greater than the force of gravity.

c)

The speed of the cart increases as the cart rolls down the ramp because the forces acting on the cart are unbalanced.

d)

The speed of the cart decreases as the cart rolls down the ramp because the forces acting on the cart are balanced.

90.

What acceleration results from 63N of force being applied to a 9kg ball?

a)

567 m/s2

b)

7 m/s2

c)

72m/s2

d)

54 m/s2

91.

If this cylinder has a mass of 20 kilograms, what is its rate of acceleration? (hint: ___ N = 20 kg x a)

a)

0 m/s2

b)

65 m/s2

c)

1 m/s2

d)

20 m/s2

92.

On which toy car was the most force exerted?

a)

1

b)

2

c)

3

d)

4

93.
a)

13N

b)

7N

c)

8N

d)

12N

94.

Describe this object's motion.

a)

constant speed

b)

constant acceleration

c)

increasing acceleration

d)

increasing speed

95.

Describe this object's motion.

*multiple answers*

a)

constant speed

b)

constant acceleration

c)

increasing acceleration

d)

increasing speed

96.

Which law? A gingerbread man kicks a football through some goal posts with their foot and their toes are left stinging...and possibly detached...

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

97.

The white car hit the gray car, yet both cars were damaged. Why is that?

a)

An object at rest will remain at rest unless acted on by an unbalanced force.

b)

If you apply more force to an object, it will accelerate more.

c)

For every action, there is an equal and opposite reaction.

98.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
99.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
100.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
101.
A ______ is a push or a pull acting upon an object
a)
Acceleration
b)
force
c)
friction
d)
energy
102.

This is a force that moves a roller coaster car down the tracks.

a)

push

b)

magic

c)

gravity

d)

slide

103.
What is mass?
a)
the force of an object caused by gravity
b)
the amount of space something takes up
c)
the amount of matter in an object
d)
how fast something is moving
104.

The tendency of matter to resist a change in motion is...

a)

inertia/Newton's 1st Law

b)

gravity

c)

velocity

d)

kinetic energy

105.

The scientific law that states "for every action there is an equal and opposite reaction."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

106.

The scientific law that "acceleration depends on the net force acting on the object and on the object's mass."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

107.

What is the physics that keeps an object from falling out when a coaster goes through a loop?

a)

centripetal force

b)

inertia

c)

gravity

d)

velocity

108.

What is gravity?

a)

stored energy

b)

a force acting to pull two objects together

c)

energy and acceleration in motion

d)

the speed of an object

109.

What is acceleration?

a)

resistance an object to change its motion

b)

energy in motion

c)

the push or pull of an object

d)

an object changing speed or direction

110.

What is velocity?

a)

resistance an object to change its motion

b)

energy in motion

c)

the push or pull of an object

d)

how fast something is traveling: speed and direction

111.

At zero gravity, the people _____________ around the plane just like astronauts.

a)

float

b)

travel

c)

cheap

d)

expensive

112.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
113.

Some early roller coasters caused whiplash and neck injuries due to ...

a)

drops that were too steep

b)

high g forces

c)

carts that didn't stay on track

d)

very low g forces

114.

Positive G forces typically occur on

a)

when a train goes around an un-banked corner, or a corner not banked far enough.

b)

when a train crests a hill at speed, or suddenly dips sharply downwards.

c)

banked turns or when the train pulls up a hill after going down a drop.

d)

The regular force of gravity when still.

115.

Negative G forces typically occur on

a)

when a train goes around an un-banked corner, or a corner not banked far enough.

b)

when a train crests a hill at speed, or suddenly dips sharply downwards.

c)

banked turns or when the train pulls up a hill after going down a drop.

d)

The regular force of gravity when still.

116.

1 G forces typically occur on

a)

when a train goes around an un-banked corner, or a corner not banked far enough.

b)

when a train crests a hill at speed, or suddenly dips sharply downwards.

c)

banked turns or when the train pulls up a hill after going down a drop.

d)

The regular force of gravity when still.

117.

Lateral G forces typically occur on

a)

when a train goes around an un-banked corner, or a corner not banked far enough.

b)

when a train crests a hill at speed, or suddenly dips sharply downwards.

c)

banked turns or when the train pulls up a hill after going down a drop.

d)

The regular force of gravity when still.

118.
The total distance traveled by on object divided by the total time.
a)
Average Speed
b)
Velocity
c)
Acceleration
d)
None of These
119.
Forces that are equal in strength and opposite in direction that act against each other and cause an object’s motion to remain constant.
a)
Balanced Forces
b)
Unbalanced Forces
c)
Friction
d)
Motion
120.
Force between surfaces that resists motion.
a)
Friction
b)
Air Resistance
c)
Balanced Forces
d)
All of These
121.
A change in the position of an object
a)
Motion
b)
Balanced Force
c)
Inertia
d)
All of These
122.
The distance an object moves per unit of time, such as miles per hour
a)
Speed
b)
Velocity
c)
Acceleration
d)
All of These
123.
Forces that are unequal in size or direction and that change an object’s motion
a)
Unbalanced Forces
b)
Balanced Forces
c)
Motion
d)
Inclined Plane
124.
A change in an object’s speed and/or direction
a)
Acceleration
b)
Velocity
c)
Average Speed
d)
All of These
125.
For every action force, there is a reaction force equal in strength and opposite in direction
a)
Action-Reaction
b)
Balanced Forces
c)
Net Force
d)
Inertia
126.
The straight-line distance between the starting and ending points.
a)
Displacement
b)
Distance
c)
Average Speed
d)
All of These
127.
The amount of space actually traveled between points; measure of a change in position.
a)
Distance
b)
Displacement
c)
Average Speed
d)
All of These
128.
Tendency of an object to resist changing its motion.
a)
Inertia
b)
Friction
c)
Speed
d)
None of These
129.
Sum of all forces acting on an object.
a)
Net Force
b)
Inertia
c)
Displacement
d)
Average Speed
130.
Objects in motion will remain in motion at a constant velocity until acted on by another force.  Objects at rest will stay at rest until acted on by another force. (Law of Inertia)
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
All of These
131.
An object acted upon by an unbalanced force will accelerate in the direction of the force acceleration = Force/mass (Law of Acceleration)
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
All of These
132.
For every action there is reaction force that is equal in strength and opposite in direction. (Law of Action-Reaction)
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
All of These
133.
The place or location of an object.
a)
Position
b)
Displacement
c)
Distance
d)
None of These
134.
The speed and direction an object is moving.
a)
Velocity
b)
Average Speed
c)
Acceleration
d)
None of These
135.
Momentum is constant if there are no external forces acting on the system.
a)
Conservation of Momentum
b)
Conservation of Mass
c)
Newton's 3rd Law
d)
All of These
136.
A measure of mass in motion;momentum = mass x velocity
a)
Momentum
b)
Average Speed
c)
Vector
d)
None of These
137.
A quantity having direction as well as magnitude
a)
Vector
b)
Displacement
c)
Velocity
d)
Position
138.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
139.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 N right
d)
50 N left
140.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
141.
Which one is balanced?
a)
Top
b)
Bottom
c)
Both
d)
Cannot be determined
142.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
143.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
144.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
145.
Which type of force(s) will cause a change in an object's motion?
a)
equal forces
b)
zero net force
c)
balanced forces
d)
unbalanced forces
146.
Calculate the net force.
a)
5 N
b)
10 N
c)
45 N
d)
500 N
147.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
148.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
149.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
d)
Turning around
150.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
151.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
152.
What is happening at B?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
153.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
154.
Which car is accelerating?
a)
A car that is not moving
b)
A  car that rounds a curve at a constant speed
c)
A car traveling at a constant speed 
d)
A car that has a set speed of 60mph
155.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity 
c)
Newtons 4th law 
d)
Newtons 2nd law
156.
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia?
a)
 m = 3.0 kg
b)
m = 4.0 kg 
c)
m = 3.0 ml 
d)
m = 30.0 g
157.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
158.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration 
b)
An object at rest stays at rest unless acted on an unbalanced force. (inertia)
c)
For every action there is a equal and opposite  re-action.
d)
law of gravity 
159.
The SI units for force are...
a)
Kilograms
b)
Newtons
c)
Meters per second
d)
Pounds
160.
If the mass of an object is 1000kg on Earth, what is it's mass on the moon?
a)
10kg
b)
100kg
c)
1000kg
d)
10,000kg
161.
Air resistance 
a)
is a force that pushes up when objects fall
b)
is the same as gravity
c)
is a force that pushes down when an object falls
162.
Friction causes objects to
a)
speed up
b)
slow down
163.
a)
Sedan
b)
Coupe
c)
SUV 
d)
Truck 
164.
Which runner had a head start?
a)
A
b)
B
c)
C
165.
What is force?
a)
A push exerted on an object
b)
A push or pull exerted on an object
c)
A pull exerted on an object
d)
Nothing
166.

What is defined as a push or pull between two objects that are touching?

a)

Contact force

b)

Force that acts over a distance

c)

Non contact force

d)

Normal force

167.

Students create balloon rockets by taping drinking straws to balloons and running a thick string through the straw. The ends of the string are held tightly apart. When the balloon is inflated and released, it moves along the string. What type of force moves the balloon forward?

a)

Gravitational force.

b)

Push force from air leaving the balloon.

c)

Pull force from the string.

d)

Magnetic force from the string to the straw.

168.

What is shown here?

a)

Push contact force

b)

Pull contact force

c)

Magnetic force

d)

Electrical force

169.

Which diagram best shows person pushing a couch (accelerating) across the floor?

a)
b)
c)
d)
170.

The down-arrow in this diagram is most-likely:

a)

gravity

b)

normal

c)

a push or pull

d)

friction

171.
a)
1st
b)
2nd
c)
3rd
172.
a)
1st
b)
2nd
c)
3rd
173.
What is the tendency of an object to resist a change in motion?
a)
coffee
b)
motion
c)
inertia
d)
gravity
174.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
175.
Gravity affects weight.
a)
True
b)
False
176.

As distance between two objects increase, the pull of gravity

a)

Increases

b)

Decreases

c)

Stays the same

177.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
178.

Motion is the result of ____ force

a)

balanced

b)

no

c)

unbalanced

179.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
180.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
181.

What does the solid line on this graph represent?

a)

Constant speed

b)

Acceleration

c)

At rest

d)

deceleration

182.

What is the line on this graph showing?

a)

moving away from starting point at a constant speed

b)

moving back towards the starting point at a constant speed

c)

acceleration (getting faster)

d)

deceleration (getting slower)

183.

An object at rest will remain at rest unless acted upon by an unbalanced force. Likewise an object in motion will remain in motion unless acted upon by an unbalanced force.

a)

Newton's 2nd law

b)

Newton's 3rd law

c)

Fig Newton's law

d)

Newton's 1st law

184.
The term for when an object speeds up, slows down, or changes direction
a)
Speed
b)
Velocity
c)
Acceleration
d)
Newtons
185.
The net force of the following diagram is
a)
620N→
b)
To the right→
c)
20N←
d)
balanced↔
186.

Force

a)

the overall force on an object

b)

any push or pull on an object

c)

a force that pulls all objects that have mass toward one another

d)

the units used for force

187.

Balanced forces

a)

forces on all sides are equal; net force= 0; an object’s motion will not change

b)

any push or pull on an object

c)

forces are not equal; net force does not equal zero; an object’s motion will change

d)

a force that resists motion when two surfaces are touching each other

188.

Unbalanced forces

a)

the overall force on an object

b)

forces on all sides are equal; net force= 0; an object’s motion will not change

c)

forces are not equal; net force does not equal zero; an object’s motion will change

d)

a force that pulls all objects that have mass toward one another

189.

Net force

a)

a force that resists motion when two surfaces are touching each other

b)

the units used for force

c)

any push or pull on an object

d)

the overall force on an object

190.

Newtons (N)

a)

any push or pull on an object

b)

the units used for force

c)

the overall force on an object

d)

a force that pulls all objects that have mass toward one another

191.

Friction

a)

the overall force on an object

b)

forces are not equal; net force does not equal zero; an object’s motion will change

c)

a force that resists motion when two surfaces are touching each other

d)

a force that pulls all objects that have mass toward one another

192.

Gravity

a)

a force that pulls all objects that have mass toward one another

b)

a force that resists motion when two surfaces are touching each other

c)

any push or pull on an object

d)

the overall force on an object

193.

Law of Inertia

a)

the force of an object is equal to its mass multiplied by its acceleration (It takes more force to accelerate an object with more mass)

b)

for every action there is an equal and opposite reaction

c)

an object at rest will remain at rest and an object in motion will remain in motion until acted upon by an unbalanced force

d)

the total distance an object travels divided by the total time traveled

194.

Law of Acceleration

a)

any object at rest will remain at rest and an object in motion will remain in motion until acted upon by an unbalanced force

b)

for every action there is an equal and opposite reaction

c)

the distance an object travels per unit of time

d)

the force of an object is equal to its mass multiplied by its acceleration (It takes more force to accelerate an object with more mass)

195.

Law of Action-Reaction

a)

for every action there is an equal and opposite reaction

b)

the force of an object is equal to its mass multiplied by its acceleration (It takes more force to accelerate an object with more mass)

c)

any object at rest will remain at rest and an object in motion will remain in motion until acted upon by an unbalanced force

d)

any change in velocity which includes speeding up, slowing down, or changing direction

196.

Inertia

a)

speed that remains the same or does not change

b)

the distance an object travels per unit of time

c)

an object’s tendency to resist a change in motion

d)

the total distance an object travels divided by the total time traveled

197.

Speed

a)

an object’s tendency to resist a change in motion

b)

any change in velocity which includes speeding up, slowing down, or changing direction

c)

speed in a given direction

d)

the distance an object travels per unit of time

198.

Average Speed

a)

the total distance an object travels divided by the total time traveled

b)

an object’s tendency to resist a change in motion

c)

speed that remains the same or does not change

d)

any change in the location or position of an object

199.

Constant Speed

a)

the distance an object travels per unit of time

b)

speed that remains the same or does not change

c)

speed in a given direction

d)

any change in the location or position of an object

200.

Velocity

a)

speed in a given direction

b)

the total distance an object travels divided by the total time traveled

c)

any change in velocity which includes speeding up, slowing down, or changing direction

d)

any change in the location or position of an object

201.

Acceleration

a)

speed in a given direction

b)

the total distance an object travels divided by the total time traveled

c)

any change in the location or position of an object

d)

any change in velocity which includes speeding up, slowing down, or changing direction

202.

Motion

a)

speed that remains the same or does not change

b)

any change in the location or position of an object

c)

speed in a given direction

d)

any change in velocity which includes speeding up, slowing down, or changing direction

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1st - 5th Grade