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Forces and Motion Review

Total questions: 108

Worksheet time: 2hrs 48mins

Name
Class
Date
1.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
2.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
3.
friction is a force that acts 
a)
in the same direction as the motion
b)
opposite to the direction of the motion
c)
opposite to the applied forces
d)
the same direction as the applied force
4.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N 
b)
40N 
c)
10N 
d)
70N
5.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
6.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the net force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
7.
A balanced force has 
a)
no net force
b)
some net force
c)
a wee bit of net force
d)
a lot of net force
8.
Any change in an objects speed or direction
a)
Inertia
b)
Force
c)
Acceleration
d)
Reaction
9.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
10.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
11.
a force that opposes motion between any surfaces that are touching
a)
velocity
b)
friction
c)
inertia
d)
position
12.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
13.
During which interval is the object speeding up?
a)
A to B
b)
B to C
c)
D to E
d)
E to F
14.
What happens when two forces act in the same direction?
a)
They cancel each other out.
b)
The stronger one prevails.
c)
Their strengths are added.
d)
Their sum divided by the two is the total force.
15.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
16.
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
17.

What will the net force on the soccer ball be?

a)

50 N to the left

b)

50 N to the right

c)

200 N to the left

d)

200 N to the right

18.

What is the net force on the car?

a)

400 N forward (left)

b)

0 N (balanced forces)

c)

200 N forward (left)

d)

200 N backward (right)

19.

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

a)

Position

b)

Force

c)

Motion

d)

Inertia

20.

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

21.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
22.

"For every action, there is an equal and opposite reaction" represents

a)

Newton's 1st law

b)

Newton's 2nd law

c)

Newton's 3rd law

d)

Law of conservation of momentum

23.

F=ma represents

a)

Newton's 1st law

b)

Newton's 2nd law

c)

Newton's 3rd law

d)

Law of conservation of momentum

24.

A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s^2. Determine the mass of the encyclopedia. (remember your triangle for F=MxA)

a)

m = 30 Hg

b)

m = 30 kg

c)

m = 3.0 ml

d)

m = 30.0 g

25.

Determine the accelerations that result when a 12-N net force is applied to a 3-kg object. (remember your triangle for F=MxA)

a)

3 ft/s

b)

4 ft/s

c)

26 m/s

d)

4 m/s

26.

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

27.

A 10 kg, 15 kg, and 20 kg rock are rolling down a hill. Which rock will require the most force to stop?

a)

10 kg rock

b)

15 kg rock

c)

20 kg rock

d)

All 3 rocks will require the same force

28.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
29.

When two equal forces act in opposite directions on an object, they are called ______________________.

a)

frictional force

b)

balanced force

c)

centripetal force

d)

gravitational force

30.

When an unbalanced force acts on an object, the force ______________________.

a)

changes the motion of the object

b)

is cancelled by another force

c)

does not change the motion of an object

d)

is equal to the weight of the object

31.

According to Newton’s second law of motion, force is equal to mass times ______________________.

a)

inertia

b)

weight

c)

acceleration

d)

direction

32.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

33.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
34.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
35.
"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
36.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
37.
1. Which of the following statements about speed and velocity is correct?
a)
Velocity only describes an object’s rate of motion.
b)
Speed describes how an object is changing its velocity.
c)
Speed and velocity both describe how an object is speeding up.
d)
Only velocity includes the direction an object is traveling.
38.
Avery likes to walk 30 feet in 10 seconds. What is her speed?
a)
3 feet/sec
b)
6 feet/sec
c)
10 feet/sec
d)
2 feet/sec
39.
65mi/hr South is an example of...
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
40.

Find the velocity of a plane that traveled 3000 miles west in 5 hours.

a)

65 mph

b)

600 mph

c)

600 mph west

d)

600 mph east

41.
Describe the speed of the object from 4-6 seconds using the distance vs. time graph.
a)
Increasing speed
b)
Decreasing speed
c)
Not moving
d)
Constant speed
42.

A stopped car begins moving and reaches a speed of 25m/s in 5 seconds. What is its acceleration?

a)

+25m/s2

b)

-0m/s2

c)

+5m/s2

d)

5m/s

43.

A helicopter flies west 200 miles in 2 hours. What is its velocity?

a)

99 mph

b)

100 mph west

c)

400 mph south

d)

297 mph north

44.
If you travel 7.5 km and walk for 1.5 h, what is your average speed?
a)
5 km/h
b)
11.25 km/h
c)
0.2 km/h
45.

What two things must you know to determine speed?

a)

distance and direction

b)

direction and time

c)

speed and direction

d)

time and distance

46.
You are riding your bike at 9 km/h. Ten minutes later, your speed is 6 km/h.
a)
Acceleration occurred because speed increased.
b)
Acceleration occurred because speed decreased.
c)
Acceleration occurred because you changed directions.
47.

a simple machine consisting of a bar that pivots at a fixed point, called the fulcrum

a)

lever

b)

inclined plane

c)

wedge

d)

pulley

48.

a simple machine that is a straight, slanted surface

a)

inclined plane

b)

compound machine

c)

wheel and axle

d)

wedge

49.

a simple machine consisting of a grooved wheel that holds a rope or a cable; a load is attached to one end and an input force is applied to the other end

a)

pulley

b)

screw

c)

compound machine

d)

inclined plane

50.

a double inclined plane that moves

a)

wedge

b)

inclined plane

c)

wheel and axle

d)

pulley

51.

an inclined plan that is wrapped in a spiral

a)

screw

b)

inclined plane

c)

wedge

d)

pulley

52.

a simple machine consisting of two circular objects of different sizes

a)

wheel and axle

b)

pulley

c)

compound machine

d)

lever

53.

machines that are made from two or more simple machines

a)

lever

b)

compound machine

c)

inclined plane

d)

wedge

54.
a)

lever

b)

wedge

c)

wheel and axle

d)

inclined plane

55.
a)

wedge

b)

inclined plane

c)

screw

d)

pulley

56.
a)

inclined plane

b)

wedge

c)

lever

d)

pulley

57.
a)

screw

b)

wheel and axle

c)

pulley

d)

inclined plane

58.
a)

wheel and axle

b)

screw

c)

pulley

d)

lever

59.
a)

pulley

b)

inclined plane

c)

screw

d)

wheel and axle

60.
Identify this simple machine
a)
Lever
b)
Wheel & Axle
c)
Inclined Plane
d)
Screw
61.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance
b)
reduce the amount of force needed to do work
c)
change the direction of the applied force
d)
all of the above
62.
An axe is an example of a
a)
pulley
b)
inclined plane
c)
screw
d)
wedge 
63.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
64.
How does a pulley make work easier? 
a)
It changes the direction of the input force.
b)
It changes the distance over which the input force is applied.
c)
It changes the amount of the input force applied 
d)
It changes direction and increases the effect of your input force
65.
How do you know when a force has been applied to an object?
a)
It moves.
b)
It flies.
c)
It accelerates.
d)
It gets bigger.
66.

A car and a truck collide on a highway. According to Newton's Third Law, which of the following statements is true about the forces during the collision?

a)

The car exerts a greater force on the truck.

b)

The truck exerts a greater force on the car.

c)

The car and the truck exert equal forces on each other.

d)

The forces depend on the speed of the car.

67.

If two ice skaters push off from each other, what can be said about the forces they exert on each other?

a)

The skater with more mass exerts a greater force.

b)

The skater with less mass exerts a greater force.

c)

Both skaters exert equal and opposite forces on each other.

d)

The forces depend on the speed of the skaters.

68.

How would you plan an investigation to show that the change in an object's motion depends on its mass?

a)

Use a single object and measure its speed at different times.

b)

Change the mass of the object and measure the resulting acceleration for each mass.

c)

Apply different forces to the object and measure the resulting speed.

d)

Use a single force and measure the object's weight.

69.

When a person jumps off a boat, the boat moves in the opposite direction. Which of the following explains this observation?

a)

The person exerts a force on the boat, and the boat exerts an equal and opposite force on the person.

b)

The boat exerts a greater force on the person.

c)

The person exerts a greater force on the boat.

d)

The forces depend on the weight of the person.

70.

Inertia is used when explaining Newton's

a)

first law of motion

b)

second law of motion

c)

third law of motion

71.

Newton's 3 Laws: You push against a wall and the wall is pushing back on you.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

72.

Newton's 3 Laws: Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward out of her seat.

a)

Newton's 2nd Law

b)

Newton's 1st Law

c)

Newton's 3rd Law

73.

Newton's 3 Laws: A picture is hanging on a wall and does not move.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

74.

Newton's 3 Laws: Pushing a child on a swing is easier than pushing an adult on the same swing.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

75.

This law is often called "The Law of Inertia"

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

76.
If there is a big mass, it would need a stronger force to accelerate it.  Which law does this describe?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
77.

What is the speed of a ball that travels 6 meters in 2 seconds?

a)

12 m/s

b)

2 m/s

c)

3 m/s

d)

2 mph

78.

An airplane is traveling at a speed of 200 m/s relative to Earth. A person walks toward the front of the plane at a speed of 1 m/s. How fast is that person traveling in reference to other people on the airplane?

a)

0 m/s

b)

1 m/s

c)

200 m/s

d)

201 m/s

79.
What is Newton's Third Law of Motion?
a)
Object in motion stays in motion and an object at rest stays at rest unless acted on by an unbalanced force
b)
Force = m x a
c)
For every action there is an equal and opposite reaction
80.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
81.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
82.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
83.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
84.

a force that pulls down

a)

spring scale

b)

balanced

c)

gravity

d)

unbalanced

e)

dynamometer

85.

forces that together cause a CHANGE in motion

a)

spring scale

b)

balanced

c)

gravity

d)

unbalanced

e)

dynamometer

86.

The forces acting on a book that is resting on a table has

a)

no forces acting on it

b)

balanced forces acting on it

c)

unbalanced forces acting on it

87.

When more than one force pushes or pulls an object in the same direction, the forces ______

a)

work AGAINST each other

b)

ADD together

c)

nothing happens

88.

An object that has unbalanced forces acting on it _____

a)

will stay still

b)

will break apart

c)

the motion of the object will change

89.

There are six children playing tug of war. They are split into two teams. Team Left and Team Right. At first the rope does not move. Are the forces balanced or unbalanced?

a)

Balanced because there is equal strength on both sides.

b)

Unbalanced because there is unequal strength on each side.

90.

What will happen to the rope when one player on Team Right stops pulling? Will the forces be balanced or unbalanced?

a)

Balanced- the strength on each side is equal. So it will not move.

b)

Unbalanced- the strength on each side is unequal. So it will move

91.

Daniel and Lily are pushing a car together. The combination of all of the forces they exert on the car

a)

Net Force

b)

Force

c)


Inertia

d)

Gravity

92.

Arjun and Maya are organizing a tug-of-war game at a school event. In one team, five children each pull with 5 newtons of force. In the opposing team, ten children each pull with 10 newtons of force. How can one determine the net force on the rope?

a)

The forces are in the same direction, so the newtons can be added.

b)


The forces are in opposite directions, so the newtons can be divided.

c)


The forces are in opposite directions, so the newtons can be subtracted.

d)

The newtons are in the same direction, so the newtons can be multiplied.

93.

Samuel is pushing a box with a force of 8 N to the right, while David is pushing it with a force of 14 N to the left. What will happen to the movement of the box when an additional 10 N of force is added on the right?

a)

The box will move upward.

b)

The box will move to the left.

c)

The box will move downward.

d)

The box will move to the right.

94.

Abigail and Aiden are playing tug-of-war with a box. Which statement best describes the motion of the box when they pull on it?

a)

The box will move to the left because the forces are balanced.

b)

The box will move to the right because the forces are balanced.

c)

The box will move to the left because the forces are unbalanced.

d)

The box will move to the right because the forces are unbalanced.

95.

Evelyn and Aiden are playing tug-of-war. Evelyn pulls with a force of 10 N towards the north, while Aiden pulls with a force of 2 N towards the south. The net force on the rope is

a)

8 N south.

b)

12 N south.

c)

20 N south.

d)

8 N North.

96.

Avery throws a ball up in the air and it comes back down. Which of the following is an example of unbalanced forces?

a)

a car moving with constant speed on a straight road

b)

a hanger hanging on a rod

c)

a ball thrown up that comes back down

d)

a parked bus

97.

Landon is the pitcher on the baseball team. He pitches the ball toward home plate. It begins in a straight line and then curves toward the ground. What forces are acting on the ball?

a)

friction and electricity

b)

friction and gravity

c)

magnetism and gravity

d)

magnetism and electricity

98.

Maya is playing with a ball and notices it slows down as it rolls across the floor. What is the unbalanced force that causes this?

a)

friction

b)


gravity

c)

inertia

d)

momentum

99.

Which of the following is an example of balanced forces acting on an object?

a)

a manatee swimming in a river

b)


a roller coaster going downhill

c)

a school bus slowing down

d)

a textbook sitting on the desk

100.

Which of the following best represents a gravitational force?

a)
b)
c)
d)
101.

Which of the following best represents a magnetic force?

a)
b)
c)
d)
102.

What force keeps the Earth and moon in orbit?

a)

Speed

b)

Gravity

c)

Friction

d)

Work

103.

Fill in the blank: For ______ to occur on this object, a force must act

upon it.

a)

mass

b)

gravity

c)

motion

d)

repel

104.

Which image shows balanced forces?

a)
b)
c)
d)
105.

What will be the effect of the forces applied to the bikes?

a)

Bike A will slow down and Boke B will speed up

b)

Bike A will speed up and Bike B will slow down

c)

Both bikes will slow down

d)

Both bikes will speed up

106.

Which force on the car will cause the car to move forward?

a)

Force A

b)

Force B

c)

Force C

d)

Force D

107.

Some forces are applied to the boxes, as shown. Which box will move to the LEFT?

a)

Box A

b)

Box B

c)

Box C

108.

An object is moving at a constant speed. If an unbalanced force is applied to the object in the same direction the object is moving, what effect will it have on the motion of the object?

a)

it will have no effect on the motion of the object

b)

the object will slow down

c)

the object will speed up

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