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8th - Force and Motion

Total questions: 208

Worksheet time: 3hrs 42mins

Name
Class
Date
1.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
2.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

3.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
4.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

5.
If these teams 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.
6.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

7.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
8.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
9.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
10.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 
11.
When the vectors (arrows) point in the same direction what function do you use? 
a)
Dividing 
b)
Multiplying 
c)
Subtracting 
d)
Adding 
12.

When the vectors (arrows) point away what function do you use?

a)

Dividing

b)

Multiplying

c)

Subtracting

d)

Adding

13.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
14.

What is the net force on the object pictured?

a)

3 N

b)

5 N

c)

4 N

d)

8 N

15.
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 remain in place?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
16.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space 
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter 
d)
A rocket taking off 
17.
What is the FORCE? 
a)
5 N
b)
10 N
c)
400 N
d)
0 N
18.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
19.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
20.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
21.

You try to push your laptop across a table but it is not moving. What force might prevent the laptop from sliding?

a)

friction

b)

gravity

c)

magnetism

d)

normal

22.

What does letter C represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

23.

What does letter B represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

24.
The boat moves to the left at a speed of 4 m/s. The current moves to the right at 2 m/s. What will happen if the current increases to 3 m/s?
a)
The boat will speed up.
b)
The boat will slow down. 
c)
The boat will move backwards.
d)
The boat will continue sailing to the left at a constant speed of 4 m/s.
25.
Two teams were having a tug of war.  Team A had four people on the team, and each of them pulled with 25N of force.  Team B had three people on the team, and each of them pulled with 35 N of force.  Which team won, and how much greater was their net force on the rope?
a)
Team B by 5 N
b)
Team B by 30 N
c)
Team A by 20 N
d)
Team B by 65 N
26.
Calculate the net force shown in the  diagram?
a)
0N
b)
400 N
c)
600 N
d)
800 N
27.

A moving object can be brought to rest by?

a)

Applying force in same direction

b)

Applying force in opposite direction

c)

By not applying any force

28.

What force holds the planets in motion around the sun?

a)

Electrical

b)

Magnetic

c)

Graviational

d)

Air Reistance

29.

all objects in he universe have a gravitational attraction to each other

a)

true

b)

false

30.

What force brings a pencil down when you throw it up in the air?

a)

applied

b)

normal

c)

magnetic

d)

graviational

31.

What force ultimately slows a roller coaster to a stop

a)

friction

b)

applied

c)

magnetic

d)

normal

32.

an ______ force must act on an onject for it to change it's motion

a)

electrical

b)

graviational

c)

unbalanced

d)

balanced

33.

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 and Earth’s gravitational forces are equal.

c)

That Jupiter’s gravitational force is much stronger than Earth’s gravitational force

d)

Mass has no effect on the gravitational force between two objects

34.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

35.

balanced forces do not change the objects speed or

a)

time

b)

mass

c)

direction

d)

distance

36.

Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?

a)

40 N

b)

0 N

c)

400 N

d)

24 N

37.

What are the 3 things that can happen as a result of an unbalanced force?

a)

Change in Direction

b)

Change In Speed

c)

Change in Position

d)

Change in Time

38.

What is the first part of the definition for force?

(a)  

39.

What is the definition of force in science?

a)

A push or pull of one object onto another

b)

What the jedi use

c)

coercion or compulsion, especially with the use or threat of violence.

d)


make a way through or into by physical strength

40.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
41.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

42.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
43.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

44.
If these teams 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.
45.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
46.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
47.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
48.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 
49.
When the vectors (arrows) point in the same direction what function do you use? 
a)
Dividing 
b)
Multiplying 
c)
Subtracting 
d)
Adding 
50.

When the vectors (arrows) point away what function do you use?

a)

Dividing

b)

Multiplying

c)

Subtracting

d)

Adding

51.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
52.

What is the net force on the object pictured?

a)

3 N

b)

5 N

c)

4 N

d)

8 N

53.
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 remain in place?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
54.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space 
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter 
d)
A rocket taking off 
55.
What is the FORCE? 
a)
5 N
b)
10 N
c)
400 N
d)
0 N
56.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
57.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
58.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
59.

You try to push your laptop across a table but it is not moving. What force might prevent the laptop from sliding?

a)

friction

b)

gravity

c)

magnetism

d)

normal

60.

What does letter C represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

61.

What does letter B represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

62.
The boat moves to the left at a speed of 4 m/s. The current moves to the right at 2 m/s. What will happen if the current increases to 3 m/s?
a)
The boat will speed up.
b)
The boat will slow down. 
c)
The boat will move backwards.
d)
The boat will continue sailing to the left at a constant speed of 4 m/s.
63.
Two teams were having a tug of war.  Team A had four people on the team, and each of them pulled with 25N of force.  Team B had three people on the team, and each of them pulled with 35 N of force.  Which team won, and how much greater was their net force on the rope?
a)
Team B by 5 N
b)
Team B by 30 N
c)
Team A by 20 N
d)
Team B by 65 N
64.
Calculate the net force shown in the  diagram?
a)
0N
b)
400 N
c)
600 N
d)
800 N
65.

A moving object can be brought to rest by?

a)

Applying force in same direction

b)

Applying force in opposite direction

c)

By not applying any force

66.

What force holds the planets in motion around the sun?

a)

Electrical

b)

Magnetic

c)

Graviational

d)

Air Reistance

67.

all objects in he universe have a gravitational attraction to each other

a)

true

b)

false

68.

What force brings a pencil down when you throw it up in the air?

a)

applied

b)

normal

c)

magnetic

d)

graviational

69.

What force ultimately slows a roller coaster to a stop

a)

friction

b)

applied

c)

magnetic

d)

normal

70.

an ______ force must act on an onject for it to change it's motion

a)

electrical

b)

graviational

c)

unbalanced

d)

balanced

71.

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 and Earth’s gravitational forces are equal.

c)

That Jupiter’s gravitational force is much stronger than Earth’s gravitational force

d)

Mass has no effect on the gravitational force between two objects

72.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

73.

balanced forces do not change the objects speed or

a)

time

b)

mass

c)

direction

d)

distance

74.

Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?

a)

40 N

b)

0 N

c)

400 N

d)

24 N

75.

What are the 3 things that can happen as a result of an unbalanced force?

a)

Change in Direction

b)

Change In Speed

c)

Change in Position

d)

Change in Time

76.

What is the first part of the definition for force?

(a)  

77.

What is the definition of force in science?

a)

A push or pull of one object onto another

b)

What the jedi use

c)

coercion or compulsion, especially with the use or threat of violence.

d)


make a way through or into by physical strength

78.

A push or a pull is called a

a)

Gravity

b)

Force

79.

What is Newton's 2nd Law?

a)

For every action there is an equal and opposite reaction.

b)

Acceleration depends on two variables, the mass of the object and the amount of force.

80.

What is Newton's 3rd Law?

a)

For every action there is an equal and opposite reaction.

b)

Acceleration depends on two variables, the mass of the object and the amount of force.

81.

What explains why objects resist changes in their state of motion?

a)

gravity

b)

inertia

c)

force

d)

friction

82.

Looking at the image. Decide if this is balanced or unbalanced.

a)

Unbalanced

b)

Balanced

83.

Looking at the image. Decide if this is balanced or unbalanced.

a)

Unbalanced

b)

Balanced

84.

The girl on the sled will remain in motion unless

a)

her motion is changed by magnetic forces.

b)

she is stopped by an outside force.

c)

she accelerates at a constant speed.

d)

the force of friction forcer her to move faster.

85.

"A body at rest tends to remain at rest, and a body in motion, tends to remain in motion, unless acted upon by an unbalanced force."

This is describing the law of

a)

forces

b)

inertia

c)

velocity

d)

gravity

86.

The picture shows a spinning water sprinkler.

Water comes through the hose and is sprayed by the sprinkler.

Which principle best explains why the sprinkler spins?

a)

Energy is released when water condenses.

b)

Most substances expand when heated and contract when cooled.

c)

Every action has an equal and opposite reaction.

d)

Solid substances are usually more dense than liquid.

87.

The picture shows a weightlifter holding the barbell over his head.

The force of gravity pulling down on the barbell is 756 newtons.

How many newtons of force are exerted by the weightlifter to hold the barbell up?

a)

No Newtons

b)

756 Newtons

c)

368 Newtons

d)

14767 Newtons

88.

An inflated balloon released from rest moves horizontally.

The law that best explains this event is

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Law of Gravity

89.

A dictionary weighing 15 Newtons is placed on a desk.

What is the force that the desk exerts on the dictionary?

a)

none

b)

15 N

c)

1.5 N

d)

150 N

90.

The diagram below shows unequal opposing forces.

Which way will the wagon move?

a)

The cart will move to the right.

b)

The wagon will move to the left.

c)

The wagon will remain stationary.

d)

The wagon will move left and then right and then stop.

91.

Which of the following is an example of balancing forces?

a)

A Book resting on the table.

b)

A pencil is knocked off the desk.

92.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
93.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
94.

What is the speed of an object that travels 20 meters in 2 seconds?

a)
240 m/s
b)

10 m/s

c)

40 m/s

d)

10 mph

95.

Total distance divided by total time, for an object shows:

a)

acceleration

b)

the size of one's toupee

c)

absolute speed

d)

average speed

96.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
97.

Force=Mass x Acceleration

a)

Newton's First Law

b)

Newton's Second Law

c)

Newton's Third Law

98.

Isaac Newton stated for every action there is an

_________ and _________ reaction.

a)

equal and same

b)

equal and opposite

c)

unequal and same

d)

unequal and opposite

99.

What determines an object’s mass?

a)

amount of matter

b)

amount of friction

c)

amount of force

d)

amount of gravity

100.

What is inertia?

a)

The tendency for an object to move

b)

The tendency for an object to never move

c)

The tendency for an object to remain unchanged

d)

None of the above

101.

Your friend kicks a soccer ball, and it stops a few feet from you. What needs to happen to it in order for it to return to your friend?

a)

Friction has to be applied to the ball.

b)

Force has to be applied to the ball.

c)

Speed has to be applied to the ball.

d)

Inertia has to be applied to the ball.

102.

What does friction do to a moving object?

a)

Makes it rise

b)

Slows it down

c)

Speeds it up

d)

All of the above

103.

How is velocity different from speed?

a)

Velocity is when an object goes in reverse.

b)

Velocity is the direction an object moves in, and it has nothing to do with speed.

c)

Velocity is speed and direction together.

d)

Velocity is not at all different from speed.

104.

You are riding in the car with your grandfather, and he turns left. Why do you shift to the right?

a)

It takes you a moment to catch up with the new velocity of the car.

b)

You have more inertia than the car, so it take longer for you to turn left.

c)

You had been sitting at rest until the force of the turn set you in motion.

d)

The car continued in the same velocity, but you had a different inertia.

105.

The rate at which an object’s velocity changes is called what?

a)

inertia

b)

actualization

c)

acceleration

d)

completion

106.

Your neighbor is riding her bike around the block. When she slows down and turns a corner, what changes about her?

a)

velocity

b)

friction

c)

speed only

d)

balance

107.

A softball and a volleyball collide with equal speed, and then they accelerate at the same rate. What must be true about the masses of the objects?

a)

The softball has more mass than the volleyball.

b)

The softball and the volleyball have equal mass.

c)

The volleyball has more mass than the softball.

d)

It is impossible to compare the mass of the softball and the volleyball

108.

Isaac Newton developed these 3 laws concerning ______________.

a)

Velocity.

b)

Mass

c)

Acceleration.

d)

Motion

109.

What explains a quantity that has BOTH speed and direction?

a)

Inertia

b)

Force

c)

Speed

d)

Velocity

110.

The force that prevents a ball rolling on the ground from continuing on it's path forever is...

a)

Friction

b)

Gravity

c)

Inertia

111.

Which of the following is the correct position - time graph for an object moving with a constant velocity?

a)
b)
c)
d)
112.

When you are running. your foot exerts force on the ground and the ground exerts force back onto you. Which of Newton's laws is represented

a)

1st

b)

2nd

c)

3rd

113.

All of these are examples of force except for

a)

air resistance

b)

gravity

c)

friction

d)

jumping

114.

Force is a ________ or ________ that is required to change the motion of an object.

a)

up/down

b)

push/pull

c)

sliding/shifting

115.

The unit used to measure force is called ________________

a)

mass

b)

acceleration

c)

net force

d)

newton

116.

30 mph west is an example of ________

a)

Force

b)

Speed

c)

Velocity

d)

Acceleration

117.

A car traveling 65 mph is an example of its _____.

a)

Force

b)

Speed

c)

Accerelation

d)

Velocity

118.

Newton's 2nd Law says that the acceleration of an object depends on its _____ and _____.

a)

Force

b)

Gravity

c)

Weight

d)

Mass

119.

You are testing a slingshot with different objects. You try it with a mini-marshmallow, a quarter, and a large marble. If you pull it back with the same force each time, which object should leave the slingshot with the most acceleration?

a)

Marshmellow

b)

Quarter

c)

Marble

120.

A rocket pushes extremely hot gas (propellant) out of its thrusters, and the propellant pushes back on the rocket, allowing it to take off. Which of Newton's Laws is this an example of?

a)

Newton's 1st

b)

Newton's 2nd

c)

Newton's 3rd

d)

Newton's 4th

121.

A force can____________.

a)

make an object move

b)

make a moving object stop moving

c)

slow an object down

d)

all of the above

122.

True or false: An object resting on the ground can move without force.

a)

True

b)

False

123.

Imagine you kick four balls with the same amount of force. Which one will go the farthest?

a)

a 3 pound ball

b)

a 5 pound ball

c)

a 15 pound ball

d)

a 25 pound ball

124.

What does the force of gravity do to objects?

a)

It makes them float

b)

it makes them jump

c)

it pulls them to the center of earth

d)

it pushes them apart

125.

If the man pushes with an equal amount of force, which object will accelerate more?

a)

Car because it has more mass

b)

Lawnmower because it has less mass

c)

Car because it has less mass

d)

Lawnmower because it has more mass

126.

a)

Carleton walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

b)

Carleton ran all the way from school to home going the same constant speed and never stopping.

c)

Carleton waited around after school for his friend, and then they ran home together.

d)

Carleton ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.

127.

a)

Jessica ran all the way from school to home going the same constant speed and never stopping.

b)

Jessica waited around after school for her friend, and then they ran home together.

c)

Jessica ran for a long time, then slowed down to walk the rest of her trip. Once she got home, she sat down on the couch.

d)

Jessica walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

128.

Problem

Which of the following best describes the speed of an object?

a)

14 m/s2

b)

14 m/s south

c)

14 m/s

d)

14 m south

129.
a)

Sam ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.

b)

Sam waited around after school for his friend, and then they ran home together.

c)

Sam walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

d)

Sam ran all the way from school to home going the same constant speed and never stopping.

130.
An object moves a distance of 30 meters in 10 seconds. What is its speed?
a)
1/3 m/s
b)
3 m/s
c)
3 s/m
d)
300 m/s
131.
After how much time did the train make its first stop?
a)
0 hours
b)
4 hours
c)
6 hours
d)
12 hours
132.
Which runner started out the fastest?
a)
Albert
b)
Bob
c)
Charlie
133.
What is happening between 9am and 11am?
a)
The cyclist is traveling up a hill
b)
The cyclists is speeding up
c)
The cyclists is traveling at a constant speed
d)
The cyclist is slowing down
134.
What do you think the cyclist is doing between 11am and 1pm?
a)
The cyclist has stopped for lunch
b)
The cyclists is riding at a constant speed on flat ground
c)
The cyclist is practicing sprints
d)
The cyclist is riding up a hill
135.
What does the slope of each line on the graph tell you?
a)
The speed of each runner
b)
The acceleration of each runner
136.
Which runner complete the 100 meter race in the least amount of time?
a)
Albert
b)
Bob
c)
Charlie
137.
Which runner started out the fastest?
a)
Albert
b)
Bob
c)
Charlie
138.
What is happening between 9am and 11am?
a)
The cyclist is traveling up a hill
b)
The cyclists is speeding up
c)
The cyclists is traveling at a constant speed
d)
The cyclist is slowing down
139.
What do you think the cyclist is doing between 11am and 1pm?
a)
The cyclist has stopped for lunch
b)
The cyclists is riding at a constant speed on flat ground
c)
The cyclist is practicing sprints
d)
The cyclist is riding up a hill
140.
What is the total distance covered by 2 pm?
a)
40 miles
b)
30 miles
c)
60 miles
d)
10 miles
141.

How Far did object A travel from 0-7 seconds?

a)

1 meter

b)

2 meters

c)

3 meters

d)

4 meters

142.
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)
143.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
144.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
145.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
146.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
147.

Deb walked to the ice cream shop. Sat and ate her ice cream and then went for a run.


Which graph matches this motion?

a)
b)
c)
d)
148.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance 
d)
speed = speed/time 
149.
Which of the following is a unit of speed?
a)
km/hr
b)
hr
c)
km
d)
s
150.
On a graph, which axis shows the independent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
151.

Examine the distance vs. time graph below and determine which of the following statements best describes the motion displayed on the graph.

a)

The object is moving away from the starting point at a constant speed.

b)

The object is increasing in speed.

c)

The object is not moving.

d)

The object is decreasing in speed.

152.

What is speed?

a)

How far you go

b)

How fast you accelerate

c)

How much distance is covered over a period of time

d)

The change in location of an object.

153.
On a graph, which axis shows the dependent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
154.
Alan travels 100 km in 5hrs. Find his average speed in km/h
a)
5km/hr
b)
10km/hr
c)
50km/hr
d)
20km/hr
155.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
156.
65 miles per hour North is an example of an objects what?
a)
Speed
b)
Velocity
c)
Average Speed
d)
Constant Speed
157.
On a distance vs. time graph, the steeper the slope _____
a)
the slower the speed
b)
the faster the speed
c)
less acceleration
d)
greater acceleration
158.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
159.
What is the speed of an object that travels 20 meters in 4 seconds?
a)
80 m/s
b)
0.2 m/s
c)
5 m/s
d)
24 m/s
160.
What is the formula to calculate speed?
a)
Speed = time/distance
b)
Speed = distance/time
c)
Speed = distance x time
d)
Speed = time x distance
161.
If it takes Heather 3 seconds to run from the batter's box to first base at an average speed of 6.5 meters per second, what is the distance she covers in that time?
a)
19.5 m
b)
0.46 m
c)
2.2 m
d)
3.5 m
162.
Bart ran 5,000 meters from the police at an average speed of 6 meters/second before he got caught. How long did he run?
a)
30,000 s
b)
0.0012 s
c)
833.3 s
d)
212 s
163.
Sarah backstrokes at an average speed of 8 meters per second. How long will it take her to complete a 200-meter race?
a)
0.04 s
b)
1600 s
c)
50 s
d)
25 s
164.

The sum of all movements from start to the end of motion is best described as____.

a)

distance

b)

displacement

c)

motion

d)

donkey

165.

The change in an objects position from the final position to initial position.

a)

displacement

b)

distance

c)

motion

d)

reference point

166.

A man walks 5 miles forwards, 6 miles backwards and then 2 miles forwards. What is his displacement?

a)

1 mile forward

b)

13 miles

c)

3 miles forward

d)

1 mile

167.

Jerry walked from home to school, then from the school to the park. What is his total distance?

a)

2 km

b)

5 km

c)

8 km

d)

10 km

168.

After completing one trip on a roller coaster, the roller coaster's ________ is zero.

a)

displacement

b)

reference point

c)

length

d)

distance

169.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800
b)
400
c)
0
d)
200
170.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
171.
How do we calculate work?
a)
W = F * d
b)
w = f * D
c)
W = F * D
d)
w = f * d
172.
How much work is being done with 200 N of force over 426 meters?
a)
85,200 J
b)
45,620 J
c)
90,480 J
d)
62,329 J
173.
The SI unit of work is?
a)
Joules
b)
Watts
c)
Newtons
d)
meters
174.
If 150 Joules of work is needed to move a box 10 meters, what force was used? 
a)
1500 N
b)
15 N
c)
1.5 N
d)
150 N
175.

A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?

a)

12 J

b)

8 J

c)

20 J

d)

5 J

176.

A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?

a)

18 m

b)

4 m

c)

10 m

d)

6 m

177.
Two factors that determine work are
a)
size of the force, and distance
b)
size of the force, and type of force
c)
mass, and distance
178.
Fred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?
a)
25J
b)
100J
c)
4J
d)
75J
179.
45J of work were done on the object that moved 5M. How much force was applied to the object?
a)
8N
b)
225N
c)
9N
d)
0N
180.

4. The ability to do work is called________.

a)

force

b)

machine

c)

energy

d)

work

181.

7. Frictional force ______ the motion of an object7.

a)

opposes

b)

help

182.

It is done scientifically when an object moves towards the same direction as the force

a)

Energy

b)

Power

c)

Work

d)

Accelaration

183.

Pulling a bow. Is it an example of work?

a)

NO

b)

YES

c)

MAYBE

d)

I am not sure

184.

Lifting your bag. Is it an example of work?

a)

NO

b)

YES

c)

MAYBE

d)

I am not sure

185.

A waiter carrying a tray while walking. Is it an example of work?

a)

NO

b)

YES

c)

MAYBE

d)

I am not sure

186.

Pushing against the wall. Is it an example of work?

a)

NO

b)

YES

c)

MAYBE

d)

I am not sure

187.
How do you know when a force has been applied to an object?
a)
It moves.
b)

It stays in place.

c)
It gets bigger.
188.

A flag sits at the top of a flagpole. (1) Is work being done? (2) Why?

a)

Yes.

b)

No.

c)

Force was applied over a distance

d)

There is no movement

189.

This kid drags your bookbag around the room. We don't know whose kid it is or how he got in, but man is he determined to haul that bookbag behind him. (1) Has work been done? (2) Why?

a)

Yes.

b)

No.

c)

Force was applied over a distance

d)

There was no movement

190.

The family raises a flag in their yard. (1) Has work been done? (2) Why?

a)

Yes.

b)

No.

c)

Force was applied over a distance

d)

There was no movement

191.

A tow truck hauls a car. (1) Has work been done? (2) Why?

a)

Yes.

b)

No.

c)

Force was applied over a distance

d)

There was no movement

192.

How some of you look when we hear an airplane go by. Assuming you're already at the window: (1) Has work been done? (2) Why?

a)

Yes.

b)

No.

c)

Force was applied over a distance

d)

There was no movement

193.

Which of the following is an example of NO work being done?

a)

holding an object still above the floor of a room

b)

lifting an object from the floor of the room

c)

pushing an object across the floor of a room

d)

bouncing an object on the floor of a room

194.

Which of the following is an example of work being done?

a)

standing at your desk

b)

holding a 100-pound barbell

c)

pushing against a stationary wall

d)

pushing a lawnmower 100 yards

195.
What is a force?
a)
a push or a pull
b)
a force that slows or stops an object in motion
196.
 Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
197.
If W=Fd
Then how much work is done if it takes 20N to move a box 10 meters
a)
0
b)
2
c)
20
d)
200
198.
In which of the following situations do your arms do work on books?
a)
holding a heavy stack of books while standing
b)
carrying a heavy stack of books
c)
dropping a stack of books onto a table
d)
picking up a pile of books from the floor
199.
When work is done, there is always a(n) _______.
a)
constant rate
b)
single movement involved
c)
transfer of energy
d)
increase in the mechanical advantage
200.
The ability to do work is....
a)
work
b)
power
c)
acceleration
d)
energy
201.
If you exert a force of 10.N to lift a box over 1 m how much work do you do.
a)
11
b)
10
c)
5
d)
20
202.
Which one is a unit of distance?
a)
meter (m)
b)
gram (g)
c)
liter (L)
d)
Joule (J)
203.
Force is a _____ or _______
a)
simple    complex
b)
push     pull
c)
up      down
d)
in      out
204.
An example of work is holding a heavy bag.
a)
True
b)
false
205.
You do work only when you exert a force on an object and move it.
a)
True
b)
False
206.
Two factors that determine work are
a)
size of the force, and distance
b)
size of the force, and type of force
c)
mass, and distance
207.
Both work and energy are measured in 
a)
joules
b)
newtons
c)
meters
d)
seconds
208.
What is work?
a)
Force x Distance
b)
Force / Distance
c)
Distance / Force
d)
Force + Distance

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