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Forces and Motion Review

Total questions: 90

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
The term for when an object speeds up, slows down, or changes direction
a)
Speed
b)
Velocity
c)
Acceleration
d)
Newtons
2.
How much force is required to accelerate 10 kg at a rate of 100 m/s2?
a)
1,000kg
b)
10N
c)
10kg
d)
1,000N
3.
What is the acceleration of a 50 kg object pushed with a force of 2,500 newtons?
a)
75,000N
b)
50N
c)
2500N
d)
50m/s2
4.
18 km/s in a northerly direction is an example of
a)
velocity
b)
Speed
c)
acceleration
d)
momentum
5.
The net force of the following diagram is
a)
20 N
b)
Moving to the left
c)
Balanced forces
d)
160 N
6.
Which graph best represents a graph of a car travelling down a freeway at a CONSTANT speed?
a)
A
b)
B
c)
C
d)
D
7.
If forces acting on an object are balanced, then there _________ be a change in motion
a)
will
b)
will not
8.
If a 100 N force acts on a 50 kg car, what will the acceleration be? ( F= m x a)
a)
500m/s2
b)
2m/s2
c)
50m/s2
d)
150 m/s2
9.
The snail is traveling at 5 cm/hr. This is an example of
a)
speed
b)
forces
c)
acceleration
d)
velocity
10.
The net force of the following diagram is
a)
620N→
b)
To the right→
c)
20N←
d)
balanced↔
11.

A force is

a)

any object that has power

b)

pushes or pulls on objects that put these objects into motion.

c)

an object that is not in motion

12.

Forces are measured in what unit?

a)

Newtons

b)

Kilograms

c)

Meters

13.

Friction is...

a)

the pull of gravity on the object’s mass.

b)

the force that pushes or pulls an object.

c)

a force created by a surface on an object that moves over it

14.

Friction always is exerted (or applied) in the __________ direction of the object’s motion

a)

same

b)

opposite

15.

If the friction force on an object is reduced,

a)

the object will move slower.

b)

the object will move faster.

16.
What does Newton's 1st law of motion say? 
a)
An object at rest stays at rest and an object in motion stays in motion unless acted upon by an outside force. 
b)
F=ma
c)
For every action there is an equal and opposite reaction.
17.
What does Newton's 2nd law say?
a)
Force=mass x acceleration
b)
An object in motion stays in motion unless acted upon by an outside force.
c)
Intertia makes stuff move. 
18.
What does Newton's third law say? 
a)
For every action, there is an equal and opposite reaction.
b)
f=ma
c)
Intertia is what makes objects move
19.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
20.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
21.

A ball is rolling to the RIGHT. Which direction would you have to apply a force to make the ball move FASTER?

a)

up

b)

down

c)

right

d)

left

22.

a ball is rolling LEFT. Which direction would you have to apply a force to STOP the ball

a)

up

b)

down

c)

right

d)

left

23.

velocity is a vector which means it has

a)

magnitude and direction

b)

magnitude but NO direction

c)

NO magnitude OR direction

d)

direction but NO magnitude

24.

What is my average velocity if I start and stop at the same place?

a)

average velocity is constant

b)

average velocity is 0 m/s

c)

average velocity is 5 m/s

d)

average velocity is 10 m/s

25.
The more ____________ an object has, the easier it is for that object to move other objects.
a)
momentum
b)
position
c)
work
d)
fulcrum
26.
The measurement that combines the speed and direction of a moving object is ____________.
a)
velocity
b)
momentum
c)
acceleration
d)
frame of reference
27.
What is the change in velocity over time?
a)
acceleration
b)
speed
c)
momentum
d)
distance
28.
Units of __________ are the newton and the pound
a)
force
b)
energy
c)
friction
d)
position
29.

How do people determine if a vehicle in which they are sitting is moving?

a)

by comparing their position to a fixed object inside the vehicle

b)

by comparing their position to a fixed object outside the vehicle

c)

by comparing their position to a moving object inside the vehicle

d)

by comparing their position to a moving object outside the vehicle.

30.
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.
31.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
32.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
33.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
34.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
35.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
36.
What is the overall force acting on an object after all forces are combined.
a)
Sliding Friction
b)
Inertia
c)
Weight
d)
Net Force
37.
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 up. 
38.
___________ is the amount of matter in an object.
a)
mass
b)
weight
c)
volume
d)
force
39.
On which surface would friction be the greatest?
a)
carpet
b)
ice
c)
snow
d)
satin
40.
Does mass differ from weight?
a)
Yes- they are very different!!
b)
No- they can be interchanged 
c)
I am not sure- I have more studying to do!
41.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
42.
What is the SI unit used to measure weight? 
*remember the definition of weight! 
a)
Grams 
b)
Liters
c)
Pounds 
d)
Newtons 
43.
What is the SI unit used to measure force? 
a)
Pounds 
b)
Grams 
c)
Newtons 
d)
kg/ m2
44.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
45.
If you have balanced forces on a ball what happens
a)
It stays still
b)
Keeps going
46.
What is the formula to calculate speed?
a)
v = t/d
b)
v = d/t
c)
v = d x t
d)
v = t x d
47.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
48.
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
49.
Shona cycles at an average speed of 8Km/hr. How far has she travelled if she cycles for 4 hours?
a)
2Km
b)
32miles
c)
.5Km
d)
32Km
50.
Can be measured in meters per second (m/s)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
51.
If a lizard can run 8m across the water in 4 seconds, how fast is he travelling?
a)
32 m/s
b)
2 seconds
c)
2 m/s
d)
34 meters
52.

This motion graph represents:

a)

object is moving away from the starting position

b)

object is going back to the starting position

c)

object is at rest

d)

object is slowing down

53.

Tom ran from his home to the bus stop and waited. He realized that he had missed the bus so he walked home. Which graph shows the motion of Tom?

a)
b)
c)
d)
54.

Benny the dog is running from Vine to the Y. What is the speed of the Benny during the first 2 seconds of his run?
Remember:  speed=distan⁡cetimespeed=\frac{dis\tan ce}{time}  

a)

2 meters each second

b)

1 meter each second

c)

4 meters each second

d)

0 meters each second

55.
Which of these is an example of putting force on an object?
a)
kicking a ball
b)
hammering a nail
c)
stirring a spoon
d)
all of the above
56.

Forces that are equal in size and opposite in direction and do not cause a change in motion are called?

a)

Balanced Forces

b)

Unbalanced Forces

57.

How can you tell an unbalanced force is acting on an object?

a)

The object is not moving.

b)

The object is moving.

c)

The object is at rest.

58.

The tendency of an object to resist a change in motion is called?

a)

Inertia

b)

Friction

c)

Gravity

59.

What direction will this box move.

a)

North East

b)

North West

c)

South East

d)

South West

60.

Calculate the net force and direction.

a)

7

b)

7N

c)

7N to the left

d)

7N to the right

61.

What two things represent a force?

a)

gravity and direction

b)

force and magnitude

c)

magnitude and direction

d)

direction and force

62.

A boy pushes a box, his brother helps by pulling in the same direction. The box will...

a)

go the same speed

b)

increase in speed

c)

decrease in speed

d)

stop

63.

A soccer ball laying motionless will

a)

stay at rest unless a force causes a change in motion.

b)

moves in the direction of the goal.

c)

accelerates.

d)

moves in the direction of the player.

64.

Who will win?

a)

The blue team with a net force of 300 N.

b)

The green team with a net force of 300 N.

c)

The green team with a net force of 200 N.

d)

The blue team with a net force of 300 N.

65.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
66.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
67.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
68.

When astronauts walked on the Moon, they used weighted boots to help them walk due to the lower gravitational pull. What difference between Earth and the Moon accounts for the difference in gravity?

a)

density

b)

diameter

c)

mass

d)

volume

69.
What keeps the Moon in orbit around Earth?
a)
Earth's rotation.
b)
Earth's atmosphere.
c)
Earth's gravity.
d)
Earth's shape.
70.

What two things does gravity depend on?

a)

Mass and weight

b)

Weight and distance

c)

Mass and force

d)

Mass and distance

71.

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.

72.

What is Newton's 1st Law?

a)

For every action there is an equal and opposite reaction.

b)

An object at rest will stay at rest, an object in motion will stay in motion, unless an unbalanced force acts upon it.

73.
What is the net force and the direction of movement?
a)
50 Newtons, Left
b)
50 Newtons, Right
c)
500 Newtons, RIght
d)
450 Newtons, LEft
74.
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 
75.
What is Newtons 2nd law of motion?
a)
Pancakes 
b)
Force= Mass multiplied by acceleration
c)
For every action there is a equal and opposite  re-action.
d)
Law of gravity 
76.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity 
c)
Newtons 4th law 
d)
Newtons 2nd law
77.
If you are test-driving a Bugatti Veyron and you go from 0 km/s to 124 km/s in 3.7 seconds, what was your acceleration?
a)
33.5 m/s2
b)
0.03 m/s2
c)
-33.5 m/s2
d)
-0.03 m/s2
78.
A plane lands on the runway and slows from 758 km/hr to 30 km/hr in 0.013 hours. What is the plane's acceleration?
a)
56,000 m/s2
b)
17857 m/s2
c)
-17857 m/s2
d)
-56,000 m/s2
79.
A sports car can go from 0 to 60 mph in 14 seconds. What is the acceleration?
a)
4.29 m/s2
b)
-4.29 m/s2
c)
2.33 m/s2
d)
-2.33 m/s2
80.
What law of motion does this picture represent?
a)
Newtons 3rd law
b)
Newtons 4th law
c)
Newtons 1st law
d)
Newtons 2nd law 
81.

Which law states that the acceleration of an object depends on the force exerted on it and its mass?

a)

1st Law

b)

2nd Law

c)

3rd Law

82.

Which law states that for every action there is an equal and opposite reaction?

a)

1st Law

b)

2nd Law

c)

3rd Law

83.

Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

a)

1st Law

b)

2nd Law

c)

3rd Law

84.

Henry sees a basketball and decides to put in motion. What kind of force does Henry use to move the ball?

a)

small

b)

balanced

c)

equal

d)

unbalanced

85.

Which activity would BEST demonstrate Newton's law of Inertia?

a)

A plate sits on a table top.

b)

A lady pushes a grocery cart.

c)

A child jumps on a trampoline.

d)

A boy swings a baseball bat.

86.

Which activity would BEST demonstrate the Law of Action/Reaction?

a)

A car traveling down the road.

b)

A rocket launching to space.

c)

A soccer ball sitting on the ground.

d)

A lady pushing a grocery cart.

87.

Which activity would BEST demonstrate the Law of Force and Acceleration?

a)

A lady pushes a grocery cart.

b)

A boy swings a baseball bat.

c)

A soccer ball sits on the ground.

d)

A rocket launches into space.

88.

What is the name of Newton's 1st Law of Motion?

a)

Law of Force and Acceleration

b)

Law of Action / Reaction

c)

Law of Inertia

89.

What is the name of Newton's 2nd Law of Motion?

a)

Law of Force and Acceleration

b)

Law of Inertia

c)

Law of Action / Reaction

90.

A force that opposes motion between objects that are touching is called...

a)

motion

b)

friction

c)

velocity

d)

acceleration

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