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Laws of motion

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

What is a force?

a)

A push or a pull

b)

The constant motion of an object

c)

The acceleration of an object

d)

The mass of an object

2.

What is inertia?

a)

An object that is accelerating

b)

Gravitational force

c)

An objects tendency to stay at rest or in motion

d)

An unbalanced force

3.

Inertia depends on __________.

a)

Weight

b)

Velocity

c)

Mass

d)

Acceleration

4.

Newton's second law states.....

a)

If there is more mass then there is more acceleration

b)

An object at rest wants to be in motion

c)

Force = Mass x Acceleration

d)

The force exerted on an object is not related to mass or acceleration

5.

What formula is used to calculate force?

a)

Acceleration = Force x Mass

b)

Force = Mass x Acceleration

c)

Work = Force x Distance

d)

Mass = Force + Acceleration

6.

Newton's third law states.......

a)

For each action there is a larger reaction associated with it.

b)

None of these choices

c)

For each action there is an equal and opposite reaction.

d)

For each action there is a smaller reaction associated with it.

7.
Which is the best example of Newton's First Law of Motion?
a)
a basketball thrown in the air falls to the ground
b)
a soccer ball remains motionless until it is kicked by a player
c)
a baseball player swings at an approaching ball
d)
an ice skater pushes back from a wall and moves backwards
8.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
9.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
10.

Which of Newton's laws does this picture represent

a)

Newtons 2nd law

b)

Law of gravity

c)

Newtons 1st law

d)

Newtons 5th law

11.

The resistance when a surface of an object moves over another surface is known as what?

a)

gravity

b)

force

c)

friction

d)

acceleration

12.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
13.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
14.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
15.

Which law of motion is also known as the Law of Acceleration?

a)

First Law

b)

Second Law

c)

Third Law

16.

Newton's Third Law says that forces must always occur in _____.

a)

pairs

b)

groups of 20 or more

c)

individual circumstances

d)

friction

17.
This equation goes with which law?
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
d)
None of these
18.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third 
d)
fourth
19.
A person is pushed forward into their seat belt when a car stops.  Which law is this?
a)
1st
b)
 2nd
c)
2 and 3
d)
3rd 
20.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward