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Newton's Law Review

Total questions: 80

Worksheet time: 1hrs 21mins

Name
Class
Date
1.
An object's motion won't change unless acted on by a _________
a)
spell
b)
force
c)
motion
d)
command
2.
For every action there is ______ and opposite reaction.
a)
an equal
b)
a stronger
c)
a weaker
d)
an exciting
3.
_______ force is needed to move objects of larger mass.
a)
Less
b)
Equal
c)
More
d)
Light
4.
A still object __________ have forces acting upon it.
a)
does
b)
can't
c)
doesn't
d)
will sometimes
5.
This force is caused by objects rubbing together.
a)
Gravity
b)
Air Resistance
c)
Friction
d)
Spinning
6.
A rocket launches because of ______.
a)
its large mass
b)
an opposite reaction
c)
gravity
d)
air resistance
7.
Objects in motion tend to stay in motion, while objects at rest, tend to _____________.
a)
stay at rest
b)
roll
c)
start moving
d)
bounce
8.
______________ forces do not affect the movement of an object.
a)
Strong
b)
Weak
c)
Light
d)
Balanced
9.
This force is caused by air and slows things down.
a)
Friction
b)
Air Resistance
c)
Gravity
d)
Pulling
10.

What is another name for Newton’s 1st law?

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action/Reaction

11.

What is another name for Newton’s 1st law?

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action/Reaction

12.

What is the formula for the law of acceleration?

a)

M = F x A

b)

F = M x A

c)

A = F x M

13.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
14.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
15.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
16.

Which of Newton's laws is shown

a)

1st law

b)

3rd law

c)

2nd law

17.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

18.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
19.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
20.

Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.

a)

1st law of motion

b)

2nd law of motion

c)

3rd law of motion

d)

13th law of motion

21.
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
22.

The more mass an object has, the _______ force it takes to accelerate it.

a)

more

b)

less

23.

States that force equals mass x acceleration

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

24.

Claims if an object exerts a force on another object, the second object exerts a force of equal strenght in the opposite direction back towards the first object

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

25.

States an object at rest will remain at rest unless acted on by an unbalanced force

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

26.

An object moving at a constant velocity will continue moving at a constant velocity unless acted upon by an unbalanced force applies to this law

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

27.

The swing of a hammer drives a nail partially into a piece of lumber until it comes to a rest. The lumber exerts an opposite force of resistance.

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

28.

A squid ejects water backward, and the water pushes back, causing the squid to propel forward.

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

29.

A 1,000-kg truck barrels down a highway at 24 m/s2 with a force of 24,000 N.

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

30.

A tossed paper airplane glides forward until a gust of wind blows it sideways.

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

31.

A trampoline pad launches a child upwards with a force equal to the downward force of the landing the moment before.

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

32.

When the force of an object remains constant, then an increase in mass corresponds with a decrease in acceleration.

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rd law

33.

The amount of matter in an object in the object's ________.

a)

Inertia

b)

Weight

c)

Mass

d)

Density

34.

One Newton (N) equals ________.

a)

1 kg \cdot  m/s2

b)

1 lb \cdot  m/s2

c)

1 kg \cdot  m/s

d)

1 lb \cdot  m/s

35.

The force needed to overcome ________ friction is more significant than that required to overcome the other two types of abrasion.

a)

Rolling

b)

Gliding

c)

Fluid

36.

Figure skaters A and B both apply the same amount of force to skate forward. If figure skater B has faster acceleration, is her mass less than that of figure skater A?

a)

Yes

b)

No

37.

A white pool cue ball strikes a striped billiard ball at rest with a speed of 5 m/s. How fast does the striped billiards ball move, and in what direction?

a)

5 m/s2 forward

b)

5 m/s2 backward

c)

5 m/s forward

d)

5 m/s backward

38.

The law of coservation of ______ states that the total momentum of the objects that interact ________ change.

a)

mass, does not

b)

Momentum, does

c)

mass, does

d)

Momentum, does not

39.

Force equals...

a)

mass x volume

b)

mass x accelleration

c)

change in direction

d)

velocity x mass

40.

What is the acceleration (a) of a 92 kg (m) downhill skier that skis with a force of 118 kg \cdot  m/s2 (F)?

a)

.77 m/s2

b)

1.3 m/s

c)

1.3 m/s2

d)

.77 m/s

41.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
42.

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.

43.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
44.

The formula ? = mass x acceleration or ? = m x a is used to find

a)

Force

b)

Velocity

c)

Momentum

d)

Gravity

45.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
46.
a)
1st
b)
2nd
c)
3rd
47.
a)
1st
b)
2nd
c)
3rd
48.
What is the attractive force that exists between all objects that have mass?
a)
Weight
b)
Mass 
c)
Gravity
d)
Viscosity
49.

If an object is stationary (not moving), the forces acting upon it are _____________

a)

unbalanced

b)

weak

c)

balanced

d)

Hulk Smash!

50.

A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...

a)

Forces are always balanced

b)

the squirrel is not accelerating

c)

squirrels are projectiles

d)

he's eating a donut

51.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
52.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
53.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
54.

Newton's third law states that any action will have an _______ and ______ reaction

a)

Equal and similar

b)

Equal and opposite

c)

Equal and different

d)

Greater and opposite

55.

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

56.

When the force on a car is doubled, the acceleration is doubled.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

57.

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

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

58.

You are carrying a lunch tray when you bump into the edge of a table. Although the tray did not tip, your milk falls off the front of the tray.

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

59.
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
60.
Which of the following shows the direction of the friction force?
a)
A
b)
B
c)
C
d)
D
61.

If you calculate the magnitude of friction force on a car that is moving, which coefficient of friction would you use?

a)

coefficient of static friction

b)

coefficient of kinetic friction

62.

Why is it harder for the boy in Image B to get down the hill?

a)

Motion

b)

Friction

c)

Work

d)

Displacement

63.

Which of the following shows the direction of the force of gravity (weight)?

a)
A
b)
B
c)
C
d)
D
64.
Considering the physical characteristics of the steep, grass-covered incline depicted in Image B, what primary physical principle accounts for the increased difficulty the boy would experience during his descent?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
65.
Why is it more challenging for the boy in Image B to descend the steep hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
66.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
67.

A box is pushed with a force of 50N50 \, \text{N} to the right and experiences a frictional force of 20N20 \, \text{N} to the left. What is the net force acting on the box?

a)

30N30 \, \text{N} to the right

b)

30N30 \, \text{N} to the left

c)

70N70 \, \text{N} to the right

d)

70N70 \, \text{N} to the left

68.

Which of the following is an opinion about friction?

a)

It occurs any time two objects are in contact

b)

It always acts in the opposite direction as motion

c)

It slows objects down too much

d)

It prevents objects on earth from staying in motion forever

69.

Your skateboard begins to slow down when you roll off the sidewalk and across gravel. What is at work?

a)

gravity

b)

friction

c)

balance

d)

all of the above

70.
If you slide a hockey puck on ice, eventually it will stop because of the friction of the ice. This is an example of which Law of Motion. 
a)
Newton's First Law 
b)
Newton's Second Law 
c)
Newton's Third Law 
71.

What is the meaning of friction?

a)
b)

A force that opposes motion between two surfaces that are in contact.

c)

cool as ice.

72.

A 15 kg object is moving with a constant velocity on a horizontal surface. If the frictional force is 30 N, what is the applied force?

a)

15 N

b)

30 N

c)

45 N

d)

60 N

73.

A 20 kg object is subjected to a force of 100 N. If the frictional force opposing the motion is 20 N, calculate the acceleration of the object.

a)

2 m/s²

b)

3 m/s²

c)

4 m/s²

d)

5 m/s²

74.

A 50 kg object is at rest on a surface with a coefficient of static friction of 0.4. What is the maximum static frictional force that can act on the object?

a)

100 N

b)

150 N

c)

200 N

d)

250 N

75.

A 10 kg object is moving at a constant velocity on a rough surface. What can be inferred about the forces acting on the object?

a)

The net force is zero, and the frictional force equals the applied force.

b)

The net force is non-zero, and the frictional force is greater than the applied force.

c)

The net force is zero, and the frictional force is less than the applied force.

d)

The net force is non-zero, and the frictional force equals the applied force.

76.

A 10 kg object is at rest on a horizontal surface. A horizontal force of 30 N is applied, and the object accelerates at 2 m/s². Calculate the frictional force acting on the object.

a)

10 N

b)

20 N

c)

30 N

d)

50 N

77.

Whenever a body is in motion, there is always ___ to oppose the motion

a)

friction

b)

inertia

c)

gravity

d)

acceleration

78.

Which of the following shows the direction of the friction force?

a)

A

b)

B

c)

C

d)

D

79.

Which of the following shows the direction of the normal force?

a)
A
b)
B
c)
C
d)
D
80.

The force you have to overcome to start an object moving is ___.

a)

rolling friction

b)

static friction

c)

sliding friction

d)

air resistance