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Unit 4 Force & Motion

Total questions: 163

Worksheet time: 3hrs 48mins

Name
Class
Date
1.

A force that one object can apply to another object without touching is?

a)

Gravity

b)

Noncontact Force

c)

Friction

d)

Contact Force

2.

Does attraction increase or decrease if the mass increases?

a)

Decreases if one or both masses increase

b)

Increases if only one mass increases

c)

Decreases if only one mass increases

d)

Increase if one or both masses increase

3.

Does attraction between objects increase or decrease with increasing distance?

a)

Increase

b)

Decrease

4.

Is gravity a contact or noncontact force?

(a)  

5.

Astronauts on the Moon can jump higher than if they were on Earth. This is because

a)

the astronauts are less massive on the Moon.

b)

there is no friction on the Moon.

c)

Newton's laws of motion do not apply to the Moon.

d)

the Moon is less massive than the Earth

6.

According to the law of universal gravitation, any two objects are attracted to each other. The strength of the gravitational force depends on the masses of the objects and their distance from each other. Many stars have planets around them. If there were no gravity attracting a planet to its star, the planet's motion would carry it away from the star. However, when this motion is balanced by the gravitational attraction to the star, the planet orbits the star. Two solar systems each have a planet the same distance from the star. The planets have the same mass, but Planet A orbits a more massive star than Planet B. Which of the following statements is true about the planets?

a)

Planet A orbits its star faster than Planet B.

b)

Planet A has a longer year than Planet B.

c)

Planet B is more attracted to its star than Planet A.

d)

Planet B will keep orbiting its star longer than Planet A

7.

Which of the following exists around every object that has mass?

a)

magnetic poles

b)

electric charges

c)

a magnetic field

d)

a gravitational field

8.

Which of the following is true of Earth's gravity?

a)

It pulls objects toward the Earth's surface without touching them.

b)

It only has an effect on objects farther than ten meters from the Earth's surface.

c)

It pushes objects away from the Earth's surface without touching them.

d)

It only has an effect on the Moon and the Sun.

9.

The data above were collected by scientists testing the force of gravity between two objects. What does the data in the table support?

a)

The force of gravity only depends on the object with less mass.

b)

The force of gravity only depends on the distance between the objects interacting.

c)

The force of gravity depends on the masses of the objects interacting.

d)

The force of gravity only depends on the object with more mass.

10.

Which of the following statements explains why the Earth has a gravitational field?

a)

It is revolving around the Sun.

b)

It is rotating on its axis.

c)

It has mass.

d)

It has an electric charge.

11.

In which situation is the gravitational force between two objects hard to detect?

a)

if the mass of each object is very small

b)

if the mass of both objects is very great

c)

if the mass of one of the objects is very great

d)

if the objects are very close together

12.

Why does the Sun gravitationally dominate all other objects in the Solar System?

a)

The Sun is by far the brightest object in the Solar System.

b)

The Sun is by far the most massive object in the Solar System.

c)

The Sun moves at a greater speed than any of the other objects in the Solar System.

d)

The Sun is the closest object to planet Earth.

13.

When a scale is used to weigh an object on Earth, it measures the gravitational force that pulls on the object. The unit for the force of gravity pulling on an object is the newton (N). A student uses a scale to measure the force of gravity on 5 different objects, each with a mass of 20, 40, 60, 80, and 100 grams. She plotted her data on the graph shown above. What does the data show?

a)

The greater the mass of an object, the greater the gravitational pull exerted on it by Earth.

b)

An object gains mass when the gravitational force on Earth remains the same.

c)

The smaller the mass of an object, the greater the gravitational pull exerted on it by Earth.

d)

An object loses mass when the gravitational force on Earth remains the same.

14.

Scientists are observing and recording data for two different planets, planet X and planet Y. Each planet orbits a different star. The planets have the same mass. The scientists record the following data. Which of the following statements is most likely true?

a)

The star close to planet Y has less mass.

b)

The star close to planet Y is hotter.

c)

The star close to planet Y is cooler.

d)

The star close to planet Y has more mass.

15.

Emma hits a baseball into the air. While the ball is flying through the air, which of the following objects is pulling on it with a gravitational force?

a)

the Sun

b)

the bat

c)

the Earth

d)

all of these

16.

Which of the following statements is true?

a)

Only objects that are very close together exert gravitational forces on each other.

b)

Objects can only exert gravitational forces if they are at least as dense as water.

c)

Any object with mass exerts a gravitational force on all other objects.

d)

Only objects that are as large as planets exert gravitational forces on other objects.

17.

__________ is the attractive pull between any two objects

a)

Atmospheric pressure

b)

Gravity

c)

Inertia

d)

Friction

18.

Gravity keeps

a)

the planet Mars in orbit around the Sun.

b)

moons in orbit around the planet Saturn.

c)

the Moon in orbit around Earth.

d)

all of these

19.

Which statement best describes two objects experiencing a gravitational interaction?

a)

The objects can only attract each other and the force depends on their masses.

b)

The objects can attract and repel each other and the force does not depend on their masses.

c)

The objects can attract and repel each other and the force depends on their masses.

d)

The objects can only repel each other and the force does not depend on their masses.

20.

Which of the following exerts gravity?

a)

only planets, moons, and stars

b)

any object with mass

c)

only objects on Earth

d)

only the Earth

21.

Which of the following best describes a gravitational force?

a)

It can attract or repel two objects.

b)

It only repels two objects.

c)

It does not require objects to have mass.

d)

It only attracts two objects.

22.

A scientist observes and records data for the force of gravity between the Sun and a few different-sized planets. The different-sized planets are placed at the same distance from the Sun. Based on the above scenario, which graph best represents the gravity between the different-sized planets and the Sun?

a)

Z

b)

Y

c)

X

d)

W

23.

Scientists and engineers are testing three different satellites orbiting Earth. The scientists are able to use sensors to determine the gravitational force experienced by each satellite. Some of the data from each of the orbiting satellites is shown in the table above. Which statement best summarizes the information given?

a)

The gravitational force on the satellite depends only on the distance from Earth at which it is traveling.

b)

The satellite with the least amount of mass is able to exert greater gravitational force on Earth than the others.

c)

The gravitational force exerted by Earth changes the mass of each of the satellites.

d)

The gravitational force exerted by Earth on the satellite depends on the satellite's mass.

24.

All objects anywhere on or near the Earth are

a)

pulled toward Earth by the force of gravity.

b)

held in place by several forces pushing and pulling on them.

c)

pushed away from Earth by the force of repulsion.

d)

spun in a counterclockwise direction by magnetic forces.

25.

When placed at equal distances apart, the greatest gravitational attraction will be between two

a)

skateboards

b)

bowling balls

c)

school buses

26.

Which is needed to determine the amount of gravitational force between two objects?

a)

distance and mass

b)

weight and time

c)

area and weight

27.

The gravitational force exerted by an object depends on its

a)

volume

b)

mass

c)

weight

28.

A student drops a bowling ball and an apple from a third-story window. Both objects hit the ground at the same time. From the experiment, the student should conclude that

a)

the apple weighs more than the bowling ball

b)

more air friction is acting on the apple than on the bowling ball

c)

gravity pulls on both objects, causing them to fall at the same time.

29.
What is gravitational force?
a)
It makes objects at rest start moving.
b)
It makes objects that are moving stop.
c)
The force of attraction between two objects.
d)
It pulls you into space.
30.
A baseball and bat are on the ground.   What is true?
a)
They attract each other with equal gravitational force.
b)
There is no gravitational force between them.
c)
The baseball will float because it's lighter.
d)
The bat will pull the baseball closer to itself.
31.
As the product of two objects' masses increases, the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
32.
This FORCE pulls things.  It PULLS things into orbit around the sun. 
a)
Newton
b)
gravity
c)
weight
d)
path
33.
Mass is a measurement of 
a)
how much matter is present in an object
b)
how much weight is present in an object
c)
the amount a spring is compressed on a scale
d)
none of the answers are correct
34.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
35.
How can you explain that we have a stronger gravitational attraction with Earth than the Sun?
a)
The sun has a larger mass
b)
The sun has a smaller mass
c)
Closer to center of sun
d)
Closer to center of Earth
36.
Which of these best describes why your weight (on Earth) would change on another planet?
a)
Dehydration effects on different planets change weight.
b)
In general, the smaller the planet, the greater weight
c)
Different planets have different gravitational pulls
d)
Weight does not change, no matter where you are.
37.

What is the relationship between mass and gravitational pull?

a)

Higer mass creates higher gravitational pull

b)

Lower mass creates higher gravitational pull

c)

Lower gravitational pull creates more mass

38.

Which of the following data would support the claim that the gravitational force between objects depends on mass?

a)

A rocket can escape Earth’s gravity by traveling at high speed.

b)

Gravitational force is stronger on more massive planets.

c)

The further a planet is away from the sun, the smaller the gravitational force.

d)

An object’s weight can change depending where it is on Earth.

39.

Which of the following does not affect the gravitational force between the earth and the sun?

a)

The net electrical charge of the earth

b)

The distance between the earth and the sun

c)

The mass of the sun

d)

The mass of the earth

40.

An astronaut way out in space is considered to be “weightless". This is because–

a)

his mass is so small relative to the earth that gravity doesn’t affect him.

b)

gravitational force decreases greatly over long distances.

c)

gravitational force pushes objects away from each other at long distances.

d)

objects far away from the earth have less mass.

41.

Which statement is true?

a)

All objects with mass exert a gravitational force.

b)

Only celestial objects exert a gravitational force.

c)

Gravity can both push and pull objects.

d)

Only Earth exerts a gravitational force.

42.

The push or pull between two objects

a)

attract

b)

mass

c)

force

d)

gravitational force

43.

The matter in an object, which affects gravitational forces

a)

attract

b)

mass

c)

gravitational force

d)

force

44.

Objects being pulled together

a)

gravitational force

b)

attract

c)

mass

d)

force

45.

The force between two masses

a)

gravitational force

b)

force

c)

mass

d)

attract

46.

A change in an object's position, direction or location

a)

Position

b)

Force

c)

Motion

d)

Inertia

47.

A measurement of distance over time

a)

speed

b)

acceleration

c)

force

d)

distance

48.

The measurement of speed and direction of an object

a)

speed

b)

velocity

c)

acceleration

d)

average speed

49.

a change in an objects speed or direction

a)

speed

b)

velocity

c)

acceleration

d)

motion

50.

What is the speed formula?

a)

d = s*t

b)

s= time/distance

c)

d= speed/time

d)

s = distance/time

51.

What is force?

a)

a push or a pull

b)

motion

c)

acceleration

d)

interaction

52.

An object at rest stay at rest and an object in motion stays in motion until acted upon by an unbalanced force.

a)

Newton's 3rd Law

b)

Force

c)

Newton's 2nd Law

d)

Newton's 1st Law

53.

The acceleration of an object as produced by net force. F = m*a

a)

Newton's 1st Law

b)

Motion

c)

Newton's 2nd Law

d)

Newton's 3rd Law

54.

For every action there is an equal and opposite reaction.

a)

Newton's 2nd Law

b)

Newton's 1st Law

c)

Newton's 3rd Law

d)

None of the above

55.

What units is Force measured in?

a)

Grams

b)

Miles

c)

Hours

d)

Newtons

56.

Equal forces that do not cause a change in an objects motion

a)

Unbalance force

b)

Push or a pull

c)

Balanced force

d)

Average speed

57.

Are unequal forces that cause a change in the motion of an object

a)

Balanced forces

b)

Unbalanced forces

c)

Inertia

d)

Gravity

58.

The overall force exerted on an object; measured in Newtons.

a)

Balanced forces

b)

Unbalanced forces

c)

Net forces

d)

Newtons

59.

The overall speed of an object during the entire course of a trip

a)

Velocity

b)

Average speed

c)

Acceleration

d)

Gravity

60.

The force that attracts objects to the center of the Earth

a)

Friction

b)

Air resistance

c)

Motion

d)

Gravity

61.

What is the definition of motion?

a)

The amount of gravity depends on two things.

b)

A change in the position of an object over time.

c)

The force of attraction between all objects.

d)

The attractive or repulsive force between any two charged objects.

62.

How do you know something is in motion or has moved?

a)

By the weight of the object.

b)

By the force of push or pull.

c)

By the roughness of the surface.

d)

By using a reference point.

63.

What causes an object to move?

a)

The force of attraction between all objects.

b)

The amount of gravity depends on two things.

c)

A push or a pull.

d)

The attractive or repulsive force between any two charged objects.

64.

What is a force?

a)

A push or a pull.

b)

The attractive or repulsive force between any two charged objects.

c)

The amount of gravity depends on two things.

d)

The force of attraction between all objects.

65.

Can more than one force act on an object at the same time?

a)

Yes, because the roughness of the surface affects the amount of force.

b)

Yes, because the total combination of the forces acting on an object is called net force.

c)

Yes, because the force of push or pull affects the amount of force.

d)

Yes, because the weight of the object affects the amount of force.

66.

What is a balanced force?

a)

A force in which the net force equals zero.

b)

A force that opposes the motion of an object.

c)

A force in which the net force is greater than zero.

d)

A force that causes a change in speed or direction.

67.

What is an unbalanced force?

a)

A force in which the net force equals zero.

b)

A force that opposes the motion of an object.

c)

A force that causes a change in speed or direction.

d)

A force in which the net force is greater than zero.

68.

What is the 1st Law of Motion according to Newton?

a)

The force of attraction between all objects.

b)

The law of inertia.

c)

The force of push or pull.

d)

The force of friction.

69.

What is inertia?

a)

The force that opposes the motion of an object.

b)

The force of push or pull.

c)

The tendency of objects to resist a change in motion.

d)

The force of attraction between all objects.

70.

What is friction?

a)

The tendency of objects to resist a change in motion.

b)

A force that opposes the motion of an object.

c)

The force of push or pull.

d)

The force of attraction between all objects.

71.

What is Newton's First Law of Motion?

a)

Every action has an equal and opposit reaction

b)

Objects in motion stay in motion/Objects at rest stay at rest until an outside force acts on it

c)

A force is required to accelerate an object with a known mass

72.

What is Newton's Second Law of Motion?

a)

Every action has an equal and opposite reaction

b)

Objects in motion stay in motion/objects at rest stay at rest until an outside force acts on it

c)

A force is required to accelerate an object with a known mass

73.

What is Newton's Third Law of Motion?

a)

Every action has an equal and opposite reaction

b)

Objects in motion stay in motion/objects at rest stay at rest until an outside force acts on it

c)

A force is required to accelerate an object with a known mass

74.

A frog pushes his legs down on a lily pad, but yet the direction he travels is upwards. Which law explains this?

a)

Newton's First Law

b)

Newton's Second Law

c)

Newton's Third Law

d)
75.

The Swimmer moves her hand down and to the left and her body moves forward and to the right

a)

Newton's first law

b)

Newton's Second Law

c)

Newton's Third Law

76.

A person in a car slides to the right when going through a very sharp left turn on the highway

a)

Newton's First Law

b)

Newton's Second Law

c)

Newton's Third Law

77.

A car is placed in neutral and on flat ground not moving. The car weighs 800 pounds. If a force of 40 N is applied to the front of the car and a force of 30 N is applied to the back of the car, what will happen?

a)

The car will not move

b)

The car will move forward

c)

The car will move backwards

d)

The car will flip over

78.

The speed and direction of an object is it's ___________.

a)

Momentum

b)

Velocity

c)

acceleration

d)

Inertia

79.

Anything that turns or changes it's direction (including things in orbit) is ___________.

a)

Going a constant speed

b)

moving

c)

accelerating

d)

decelerating

80.

If the forces acting on an object are unbalanced, then the object must be ____________.

a)

balanced

b)

at rest

c)

accelerating

d)

momentum

81.

Which of Newton's laws explains why an object in space will stay in motion once it starts moving?

a)

Newton's first law

b)

Newton's second law

c)

Newton's third law

82.

A person’s body is thrown outward as a car rounds a curve on a highway.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

83.

Force is measured in _______________

a)

Newtons

b)

Kg

c)

m/s2

84.

A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

85.

A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

86.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
87.
a force that opposes motion between any surfaces that are touching
a)
velocity
b)
friction
c)
inertia
d)
position
88.
Inertia is the tendency of an object to resist a change in its ___________. 
a)
temperature
b)
shape
c)
size
d)
motion
89.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia 
90.
An object's velocity can be changed by changing its speed, its direction, or both.
a)
True
b)
False
91.

Newton's Second Law States: That Acceleration is equal to the net force on an object divided by the object's _________

a)

mass

b)

time

c)

speed

d)

force

92.

Newton's Third Law States: For every action, there is an opposite and equal reaction.

a)

False

b)

True

93.
A player throws a ball. The action force is the player impact on the ball. The reaction force is...
a)
The force of the ball impact on the player
b)
The force of the grip of the ball
c)
The celebration the player is thinking of
94.
A rocket pushes exhaust 10, 000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?
a)
15,000 N
b)
1,000 N
c)
10, 000 N
95.

The list describes six different situations.

1. A pendulum moving back and forth

2. A toy car rolling down a ramp

3. An airplane traveling at a constant velocity of 500 km/h north

4. A raindrop falling on a leaf

5. A marble sitting on a table

6. A hockey puck sliding across the ice at constant velocity

Which objects in the list are experiencing balanced forces?

a)

The pendulum, the toy car, and the hockey puck

b)

The airplane, the marble, and the hockey puck

c)

The toy car, the raindrop, and the marble

d)

The pendulum, the toy car, and the raindrop

96.

Which of the following could occur when the net force acting on a car is zero?

a)

The car changes speed from 0 m/s to 20 m/s

b)

The car slows down while turning a corner

c)

The car travels at a constant speed of 20 m/s

d)

The car changes speed from 20 m/s to 0 m/s

97.

Are the forces acting on the object balanced or unbalanced? The man does a flip on the fly board.


(a)  
Choose from the below words
unbalanced
balanced
98.

How will this object move?

a)

It will not move

b)

It will move in both directions

c)

It will move to the right

d)

It will move to the left

99.

How will this object move?

a)

It will not move

b)

It will move in both directions

c)

It will move to the right

d)

It will move to the left

100.

Shadell pushes a box 35 N to the right. Nazai pushes the box 25 N in the same direction. What is the net force?


(a)  
Choose from the below words
60 N unbalanced to the right
60 N balanced to the right
10 N balanced to the right
10 N unbalanced to the right
101.

What is net force?

(a)  

102.

Balanced or Unbalanced

(a)  

103.

What is the net force?


(a)  
Choose from the below words
5 N left
30 N left
25 N right
55 N right
104.

Which of the answer choices is not a characteristic of a balanced force?

a)

no change in motion

b)

moving at a constant speed

c)

causes a change in motion

d)

net force of zero

105.

If an object is not moving the forces acting upon it are (a)  

106.

A (a)   is a push or a pull on an object.

107.

Balanced forces causes

a)

speed of an object

b)

change in motion

c)

no change in motion

d)

no friction on object

108.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
109.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
110.

Calculate the net force shown in the  diagram?

(a)  

111.

What causes the feeling of your stomach churning when you lift up from your seat on a roller coaster?

a)

Magnetism

b)

Friction

c)

Gravity

d)

Inertia

112.

What is the force that pulls us down toward the center of the earth?

a)

Magnetism

b)

Friction

c)

Buoyancy

d)

Gravity

113.

What is the property by which an object at rest tends to stay at rest until a force acts upon it?

a)

Velocity

b)

Inertia

c)

Acceleration

d)

Momentum

114.

At what G force may a person suffer a nose bleed?

a)

2 Gs

b)

5 Gs

c)

4 Gs

d)

3 Gs

115.

What do amusement park ride engineers make sure of when designing rides?

a)

Maximum duration

b)

Maximum speed

c)

Maximum height

d)

Maximum G force

116.

What do astronauts experience when they finally exit Earth's atmosphere?

a)

Quadruple gravity

b)

Triple gravity

c)

Double gravity

d)

Zero gravity

117.

What force are astronauts put through during training for space?

a)

Buoyancy force

b)

G force

c)

Magnetic force

d)

Friction force

118.

What is the force of gravity on an object on Earth?

a)

4 G

b)

3 G

c)

2 G

d)

1 G

119.

What is the force that causes the man's face to be lifted up and back in the wind tunnel experiment?

a)

Magnetism

b)

Buoyancy

c)

Friction

d)

G force

120.

What is the force that causes the man's skin to be pulled up against his bones in the wind tunnel experiment?

a)

Inertia

b)

G force

c)

Acceleration

d)

Momentum

121.
Energy can be created.
a)
True
b)
False
122.
Energy cannot be destroyed.
a)
True 
b)
False
123.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed 
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
124.
According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?
a)
The total amount of energy is conserved
b)
The total amount of energy is less after a reaction
c)
The total amount of energy is more after a reaction
125.

The Law of Conservation of Energy states:

a)

Energy can created or destroyed but not transformed

b)

Energy cannot be created or destroyed, it can only transformed from one form to another form

c)

Energy can't be created, destroyed or transformed

d)

All the above

126.

Energy can not be created nor destroyed.

a)

Newton's Laws of Motion

b)

Big Bang Theory

c)

The Law of Conservation of Momentum

d)

The Law of Conservation of Energy

127.

The Law of Conservation of Energy is also known as:

a)

First Law of Thermodynamics

b)

Second Law of Thermodynamics

c)

Third Law of Thermodynamics

d)

None of the above

128.
When you plug in an iron, electrical energy is transformed into ______ energy
a)
sound
b)
mechanical
c)
thermal (heat)
d)
radiant
129.
When a construction worker hits a hammer into plank of wood, the mechanical energy from the hit becomes _____ energy
a)
radiant
b)
electical
c)
heat and sound
d)
chemical
130.
After using a flashlight on an overnight sleeping trip the flashlight stops working. Why?
a)
 You forgot to charge the flashlight.
b)
The electrical circuit in the flashlight was broken
c)
The bulb received too much energy from the  battery
d)
All of the energy from the battery was transformed into light and heat
131.

Which type of energy has to do with objects in motion?

a)

Potential

b)

Kinetic

132.

Which of these has the most potential energy.

a)

A

b)

B

c)

C

d)

D

133.

If a football player wants to become better at tackling by increasing his or her kinetic energy, how can the player do this?

a)

Increase his/her height

b)

Increase his/her speed

c)

Increase his/her mass

d)

Decrease his/her speed

134.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
135.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
136.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
137.
A baseball held by a pitcher has _____________energy.
a)
Kinetic
b)
Chemical 
c)
Potential
d)
Thermal
138.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
139.
Wood, batteries, gasoline, and  food are all examples of ________________________.
a)
gravitational potential energy
b)
elastic potential energy
c)
chemical potential energy
d)
None of the above
140.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
141.

When you compress a spring, you are storing __________ energy.

a)

sound

b)

elastic

c)

light

d)

chemical

142.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
143.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
144.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
145.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
146.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
147.
Explain what happens to the potential energy of a rock as it falls off the side of a cliff.
a)
The kinetic energy decreases as the potential energy increases.
b)
The kinetic energy decreases as the potential energy decreases.
c)
The potential energy decreases as the kinetic energy increases.
d)
The potential energy decreases as the kinetic energy decreases. 
148.
When riding a roller coaster, you go up and down many hills. As you get to the top of a roller coaster, what energy change is taking place.
a)
Potential energy is changed into kinetic energy.
b)
Kinetic energy is changed into potential energy.
c)
Chemical energy is changed into heat energy.
d)
Heat energy is changed into chemical energy. 
149.

Which passenger has the most potential energy?

a)

A

b)

B

c)

C

d)

D

150.

The formula for calculating the gravitational potential energy in an object is shown above. Which object will have the largest value for its GPE

a)
b)
c)
d)
151.

If these are all moving at the same speed, the vehicle with the greatest KE would be

(Think about their sizes)

a)
b)
c)
d)
152.

Determine whether the following example is Potential Energy (PE) or Kinetic Energy (KE):


flashlight turned off

a)

Potential Energy

b)

Kinetic Energy

153.
a)
Potential Energy
b)
Kinetic Energy
154.

Calculate the speed of a car that travels 200 meters in 20 seconds.

a)

5 m/s

b)

15 m/s

c)

10 m/s

d)

25 m/s

155.

A train travels 500 meters in 25 seconds. What is its speed?

a)

30 meters per second

b)

10 meters per second

c)

20 meters per second

d)

50 meters per second

156.

Graph the distance versus time for a car that travels 100 meters in 10 seconds.

a)

A vertical line at 10 s

b)

A straight line with a slope of 10 m/s

c)

A horizontal line at 100 m

d)

A curved line with a slope of 5 m/s

157.

Draw a distance-time graph for a bicycle that covers 300 meters in 30 seconds.

a)

A curved line with a slope of 5 meters per second

b)

A straight line with a slope of 10 meters per second

c)

A horizontal line with a slope of 0 meters per second

d)

A zigzag line with a slope of 15 meters per second

158.

Interpret the distance-time graph where the line is horizontal.

a)

The object is moving in a circular path

b)

The object is not moving

c)

The object is moving at a constant speed

d)

The object is accelerating

159.

Explain the meaning of a steep slope on a distance-time graph.

a)

Slow speed or rate of change in distance over time

b)

No movement or change in distance over time

c)

Negative speed or rate of change in distance over time

d)

Fast speed or rate of change in distance over time

160.

What is the average speed of a runner who covers 400 meters in 50 seconds?

a)

5 meters per second

b)

40 meters per second

c)

8 meters per second

d)

10 meters per second

161.

Calculate the average speed of a boat that travels 600 meters in 120 seconds.

a)

5 m/s

b)

10 m/s

c)

3 m/s

d)

8 m/s

162.

What is the difference between velocity and speed?

a)

Velocity is a measure of distance, while speed is a measure of time.

b)

Velocity is always constant, while speed can vary.

c)

Velocity includes direction, while speed does not.

d)

Velocity is used for objects in motion, while speed is used for stationary objects.

163.

A car travels at a speed of 60 km/h. How long will it take to cover a distance of 180 km?

a)

2.5 hours

b)

3 hours

c)

5 hours

d)

4 hours

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