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Review Newton's Laws

Total questions: 61

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?
a)
Object 1
b)
Object 2
c)
Object 3
d)
Object 4
2.
Examine the table provided. Which of the objects is producing the greatest force?
a)
Soccer Ball
b)
Tennis Ball
c)
Marble
d)
Ping-Pong Ball
3.

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

a)

For every action there is an equal and opposite reaction.

b)

Every mass exerts a force on every other mass.

c)

An object at rest tends to stay at rest.

d)

Friction opposes the motion of an object.

4.

A semi truck and a Volkswagen (small car) traveling at the same speed have a head on collision. Which statement is correct?

a)

The impact force is greater on the Volkswagen.

b)

The impact force is greater on the semi truck.

c)

The impact force is less on the semi truck.

d)

The impact force is equal for both.

5.

The image shows a game controller at rest. What best describes the action-reaction forces on the game controller?

a)

Action force = gravity. Reaction force = normal force of the table.

b)

Action force = gravity. Reaction force = friction between the controller and table.

c)

Action force = friction between the controller and table. Reaction force = gravity.

d)

Action force = normal force of the table. Reaction Force = gravity.

6.

What is the resultant force?

a)

40 N, Left

b)

0 N, Balanced

c)

400 N, Right

d)

40 N, Right

7.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
8.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2.  What is the mass of the object? To solve this problem you must do - 
a)
250 ÷ 5
b)
5 ÷ 250
c)
250 x 5
9.

Which of Newton's laws best explain why the wheels of the cannon push back when the cannon fires?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

10.

Which of Newton's Laws best describes why satellites can orbit earth?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

11.

What force ultimately slows the roller coaster to a stop?

a)

Applied

b)

Normal

c)

Friction

d)

Gravitational

12.
Name the missing force...
a)
applied force
b)
weight force
c)
lift
d)
normal force
13.

Newton's Law of Inertia (first law) describes the motion of-

a)
Objects at rest only
b)
Objects in motion only
c)
Objects at rest and objects that are in motion
d)

Objects that accelerate

14.

Force is directly proportional to acceleration but inversely proportional to an object's mass.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

15.
For every action, there is an equal and opposite reaction.
a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

16.

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

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

17.

Force is directly proportional to acceleration but inversely proportional to an object's mass.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action - Reaction

18.

You push against a wall and the wall is pushing back on you.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action Reaction

19.

Which force causes an object to speed up or slow down (accelerate or decelerate)?

a)
unbalanced force
b)
balanced force
20.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
21.

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

a)
b)
c)
d)
22.

F= mass * acceleration

A 20 kg bike accelerates at 10 m/s2. what is the force acting upon it?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

23.

An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?

a)

20 N

b)

2 N

c)

5 N

d)

0 N

24.

What Unit do we Measure Force in?

a)

Newtons

b)

Joules

c)

Volts

d)

Lumens

25.
How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?
a)
36 N
b)
12 N
c)
3 N
d)
0.33 N
26.
When force is 20 N, mass is 5 kg, what is acceleration?
F = ma
a)
25 m/s/s
b)
5 m/s/s
c)
100 m/s/s
d)
4 m/s/s
27.

An object accelerates 5 m/s2 when a force of 20 newtons is applied to it. What is the mass of the object?

a)

4 kg

b)

20 kg

c)

0.5 kg

d)

2 kg

28.

An object is propelled along a straight-line path by a force. If the net force were doubled, its acceleration would

a)

Halve

b)

Double

c)

Remain constant

29.

When you hit a tennis ball with a racket...

a)

The ball exerts more force on the racket

b)

The ball and racket exert the same force on each other

c)

The racket exerts more force on the ball

d)

It depends on how hard you hit it

30.
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
a)
Air resistance against the bow
b)
the arrow's push against the bowstring
c)
the grip of the archer's hand on the bow
31.
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
32.
A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...
a)
The grip of the player's hands on the ball
b)
the air resistance of the ball
c)
the force of the ball against the bat
33.

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

a)

Friction

b)

Gravity

c)

Inertia

34.
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
35.
If a 10 kilogram object had a force of 50 newton's applied to it, what would its acceleration be?
a)
15 m/s^2
b)
5 m/s^2
c)
.5 m/s^2
d)
10 m/s^2
36.

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

37.
What is the force necessary to accelerate a 1785 kg car at a rate of 50 m/s/s?
a)
89,250 N
b)
35.7 N
c)
98.8 N
d)
75,620 N
38.
What is the unbalanced force on a boy and his skateboard if the total mass of the boy and skateboard is 62 kg and their acceleration is 0.36 m/s/s forward?
a)
22.32 N
b)
172.2 N
c)
180 N
d)
24 N
39.
The Free Fall acceleration for Earth is or g equals what...?
a)
9.8 m/s/s
b)
10 m/s/s
c)
98 m/s/s
d)
2 m/s/s
40.
Which object is in true Free Fall?
a)
The International Space Station
b)
A skydiver
c)
An airplane
d)
Monty
41.
An exploratory robot was sent to the planet Mars. The gravity on Mars is weaker than the gravity on Earth. Compared to the mass and weight of the robot on Earth, the robot on Mars has...
a)
less mass and weight.
b)
less mass but equal weight.
c)
equal mass and weight.
d)
equal mass but less weight.
42.
If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?
a)
18 g
b)
4 g
c)
0 g 
d)
32 g 
43.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
44.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
45.
a)
Balanced
b)
Unbalanced
46.
a)
Balanced
b)
Unbalanced
47.

Which image is an example of a balanced force?

a)

Image 1

(Top Image)

b)

Image 2

(Bottom Image)

48.

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

a)

gravity

b)

normal

c)

a push or pull

d)

friction

49.

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

a)
b)
c)
d)
50.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
51.
Match description with free-body diagram.
a)
A book is at rest on a tabletop.
b)

A book is sliding across a table

c)

A book is falling from a table

d)

A book is being pulled across a table

52.

A rightward force is applied to a dresser to accelerate it to the right across the floor

a)
b)
c)
d)
53.

These two individuals are pushing a 5500 kg car with a horizontal force of 300 N. What is the Normal Force of the car?

a)

53,900 N

b)

300 N

c)

2940 N

d)

30.6 N

54.

Two students that are afraid of the Tardy Terminator are late to class.  They decide to take the elevator even though they are not allow.  Their mass is 40 kg each and the mass of the elevator is 220 kg.  Assume the elevator accelerates upward at 2.00 m/s².  What is the net force that acts on the elevator?

a)

300 N

b)

160 N

c)

2 N

d)

600 N

55.

A net force is acting on a 10 kg box produces an accelerate of 3.0 m/s².  What acceleration, to the nearest tenth, will the same net force cause on a 4 kg box? Only type the number.

(a)  

56.

This 75 kg bridge jumper leaped off a 20 m high bridge. Knowing Earth's gravity is acting on him, which statement best represents the reaction force to Earth's gravity?

a)

Earth is pulling on air with a force of 4.11 x10^4 N.

b)

Earth is pulling on water with a force of 3.66 x 10^12 N.

c)

The sun is pulling on Earth with a force of 5.97 x 10^24 N.

d)

The jumper is pulling on Earth with a force of 735 N.

57.

A net force acting on a 5 kg desk produces an acceleration of 5 m/s^2. What mass, to the nearest tenth, will the same net force cause on a desk accelerating at 12.5 m/s^2. Only type in a number.

(a)  

58.

This guy, who may or may not be Spiderman, jumps off a building to stop Green Goblin. His mass is 55 kg. Superheroes are subject to Earth's gravity. Which statement best describes the reaction force to Earth's gravity in this situation?

a)

Earth is pulling on the sun with a force of 5.97 x 10^24 N.

b)

Earth is pulling on Spiderman wannabe with a force of 539 N.

c)

Earth is pulling on air with a force of 5.61 x10^ 5 N.

d)

Earth is pulling on Green Goblin with a force of 4.99 x 10^7 N.

59.

These two chaps are moving this 200 kg box with a horizontal force of 600 N. What is the magnitude of the Normal Force?

a)

5880 N

b)

600 N

c)

1960 N

d)

61 N

60.

A vendor and his hot dog cart are in an elevator at AT&T Stadium.  The vendor has a mass of 50 kg and his cart is 20 kg, hot dogs included.  The elevator has a mass of 300 kg.  The elevator accelerates upwards at 1 m/s².  What is the upward force acting on the elevator?

a)

70 N

b)

370 N

c)

300 N

d)

9.8 N

61.

What is the amount of force required to accelerate a 10 kg object at 20 m/s^2? Only type a number.

(a)