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Newton's Laws of Motion

Total questions: 23

Worksheet time: 40mins

Name
Class
Date
1.

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

2.

What is Inertia?

a)

An object at rest will move and an object in motion will stop.

b)

Objects are lazy.

c)

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

d)

F=M X A

3.

What is the unit called that measures force?

a)

Isaac

b)

Newton

c)

Yee

d)

Kilogram

4.

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

5.

A book sitting on the table does not move.

a)

Law 1

b)

Law 2

c)

Law 3

6.
On which surface will a toy car travel the furthest?
a)
Carpet
b)
Polished Wood
c)
Ice
7.
An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which of these best explains this situations
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
d)
Conservation of momentum
8.
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.
9.
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
10.

____ force is needed to move objects of larger mass.

a)

less

b)

equal

c)

more

d)

light

11.
Why is the net force 0 in the image?
a)
Because the elephants are the same size
b)
Because they are both pulling the same amount of force in opposite directions
c)
Because they are elephants
d)
Because they are pulling away from each other.
12.
Force pair that has a net force of zero.
a)
Balanced force
b)
Unbalanced force
13.
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
14.

Why is it harder to push a van filled with bowling balls than it is to push a van with basketballs?

a)

The mass of the car is greater than the mass of the basketballs

b)

The mass of the bowling balls is greater than the mass of the basketballs

c)

The van with the basketballs is bigger than the van with the bowling balls

d)

It should be equally as hard to push the two vans

15.

An object has a mass of 30 kg and an acceleration of 2 m/s2. What must be the net force on the object?

Use this equation: F=m×aF=m\times a  

a)

60 N

b)

45 N

c)

15 N

d)

0.067 N

16.

A 10 kg object experiences a net force of 20 Newtons. Calculate the object's acceleration.

a)

2 ms22\ \frac{m}{s^2}  

b)

0.5 ms20.5\ \frac{m}{s^2}  

c)

200 ms2200\ \frac{m}{s^2}  

d)

3.33 ms23.33\ \frac{m}{s^2}  

17.

An object has a mass of 30 kg and an acceleration of 2 m/s^2. What must be the net force on the object?

a)

60 N

b)

45 N

c)

15 N

d)

0.067 N

18.

A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

19.

It is much more difficult to move a dresser full of clothes than an empty dresser.

a)

Law 1

b)

Law 2

c)

Law 3

20.

A skateboarder pushes the ground BACKWARDS which causes the board to move FORWARD.

a)

Law 1

b)

Law 2

c)

Law 3

21.

A 20 kg bike accelerates at 10 m/s2. What was the net force?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

22.

Which one of Newton’s Laws of Motion best explains why the dishes do not move when the tablecloth is removed?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

23.

Which arrow shows the direction of the friction force?

a)

A

b)

B

c)

C

d)

D