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Newtons 3 Laws Review

Total questions: 28

Worksheet time: 10mins

Name
Class
Date
1.

Match the following quantities to their units.

a)

m

1.

Displacement

b)

N

2.

Force

c)

ms\frac{m}{s}  

3.

Velocity

d)

ms2\frac{m}{s^2}  

4.

Acceleration

e)

kg

5.

mass

2.

'An object at constant velocity will remain at that velocity, unless...' is a description of which concept below?

a)

Mass

b)

Newton's 1st Law

c)

Newton's 2nd Law

d)

Newton's 3rd Law

3.

When forces are acting in the same direction on an object, we would ___ the two forces to find the net force ?

a)

add

b)

multiply

c)

divide

d)

subtract

4.

This object likely requires the most amount of force to keep it moving in a circular path.

a)

The Earth going around the Sun.

b)

A fly circling around a pile of cow dung.

c)

A person riding the Gravitron at a carnival.

d)

A Nascar vehicle rounding a curve

5.

In outer space, it is easier to push a more massive object than it is on Earth.

a)

True

b)

False

c)

Need to know exact mass

6.

On a velocity vs time graph, what does the slope of the line determine?

a)

distance

b)

acceleration

c)

force

d)

velocity

7.

A blue whale has a mass of 5600 kg on the Earth, it's mass on the moon would be ___ ?

a)

56 kg

b)

5600 kg

c)

560 N

d)

56000 kg

e)

5600 N

8.

Moving a dresser you push on it 900N westwards, while Friction pushes 600N eastwards, the Fnet then would be...

a)

300 N East

b)

900 N West

c)

1500 N West

d)

300 N West

9.

Who is responsible for three laws of motion and the development of calculus?

a)

Fig Newton

b)

Isaac Asimov

c)

Isaac Newton

d)

Michael Faraday

10.

If you push on a wall with 100 N of force, the wall pushes on you with ____ of force

a)

0 N

b)

50 N

c)

200 N

d)

100 N

11.

This is the force due to a rope, chain or wire that is attached to an object.

a)

friction

b)

tension

c)

gravity

d)

normal

12.

A person weighs 450 N on Earth, what is their mass?

a)

450 kg

b)

45 kg

c)

4.5 kg

d)

4500 kg

13.

A 5 kg mass is pushed to the left with 5N and also to the right with 10 N. Its resulting acceleration would be _____ to the right.

a)

5 ms25\ \frac{m}{s^2}  

b)

1 ms21\ \frac{m}{s^2}  

c)

3 ms23\ \frac{m}{s^2}  

d)

3 ms23\ \frac{m}{s^2}  

14.

If 10 kg each of leaves, bricks and bologna slices are brought to the moon, which would be heavier?

a)

bologna

b)

bricks

c)

leaves

d)

They have the same weight

15.

The units that make up a one Newton of force is...

a)

kg⋅mskg\cdot\frac{m}{s}  

b)

kg⋅ms2kg\cdot\frac{m}{s^2}  

c)

m/s/s

d)

kg⋅mkg\cdot m  

16.

Look at the following picture and determine the direction of the block's Fnet?

a)

Rightward

b)

Leftward

c)

Upward

d)

Downward

17.

The inertia an object has is...

a)

the force that causes it to move.

b)

the resistance to change its motion

c)

dependent on the net force

d)

not directly related to mass

18.

Without air resistance, what is the acceleration of objects that fall down due to gravity?

a)

0 m/s/s

b)

5 m/s/s

c)

10 m/s/s

d)

15 m/s/s

19.

Approximately how much does a 1.5 kg Ferret running at 5 m/s on Earth weigh?

a)

1.5 kg

b)

15 N

c)

5 kg

d)

10 m/s/s

20.

Which of the following is the same as “the attraction between the Earth and an object?”

a)

Normal

b)

Gravity

c)

Net Force

d)

Friction

21.

A Mack Truck collides with a VW Bug head on, which experiences more impact force?

a)

VW Bug

b)

Mack Truck

c)

Neither, they experience the same amount

d)

Will need to know more information to determine

22.

An object moving at constant velocity must...

a)

not have a net force acting on it

b)

have a net force acting on it

c)

have no weight

d)

have no inertia

23.

The perpendicular push away from a surface is...

a)

Normal

b)

Gravity

c)

Friction

d)

Tension

24.

The speed of a 6 kg cat running at constant 4.2 m/s eastward has a net force acting on it of...

a)

4.2 N

b)

6 N

c)

0 N

d)

10.2 N

25.

An initially resting 7 kg bowling ball is accelerated to 10 m/s in 2 s. What is its net force acting on it?

a)

14 N

b)

35 N

c)

20 N

d)

70 N

26.
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.
27.
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
28.

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

a)
b)
c)
d)

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