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NEWTON'S LAWS - remedial

Total questions: 45

Worksheet time: 2hrs 45mins

Name
Class
Date
1.
When the air is released from a balloon, the air moves in one direction, and the balloon moves in the opposite direction. Which law best explains the motion of the balloon?
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)

Newton's Law of Interaction

d)
Newton's Law of Biology
2.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
3.
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 
4.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
5.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
c)
Decrease Mass
6.
If lil Houdeshell weighs 378 Newtons on Earth and 63 Newtons on the moon, this means that her...
a)
mass is greater on earth.
b)
mass is greater on the moon.
c)
inertia is greater on earth and less on the moon.
d)
mass is the same on the moon and the earth.
7.
When a heavy football player and a light one run into each other, who exerts more force?
a)
The heavy one
b)
The light one
c)
They are equal
d)
there is no such thing as force
8.
Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron? 
a)
feathers 
b)
iron
c)
same
d)
depends on their friction
9.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
10.
Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Law 1
b)
Law 3
11.
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.
12.
What is the definition of "weight"?
a)
the force in which gravity pulls on an object
b)
the time it takes to get on a ride 
c)
the amount of matter in an object
d)
the size of an object
13.
Which of these best describes why your weight (on Earth) would change on another planet?
a)
weight doesn’t change, no matter where you are
b)
different planets have different gravitational pulls
c)
In general, the smaller the planet, the greater weight
d)
dehydration effects on different planets change weight
14.
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
15.

What law does this equation apply to?

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

16.

Which of Newton's laws are illustrated with a rocket launch?

a)

1st Law, the Law of Inertia.

b)

2nd Law, the Law of Acceleration.

c)

3rd Law, the Law of Action - Reaction

17.
The net force acting on an accelerating object is suddenly halved. This will cause the acceleration of the object to 
a)
double
b)
be halved
c)
remain unchanged
18.
The net force acting on an accelerating object is suddenly tripled. This will cause the acceleration of the object to 
a)
triple
b)
become one-third of the original
c)
remain unchanged
19.
Both the mass and the net force of an accelerating object are suddenly halved. This will cause the acceleration of the object to 
a)
double
b)
be halved
c)
remain unchanged
20.
An object is accelerating at a rate of 10.0 m/s2. If the net force acting upon the object is suddenly doubled, what would be the object’s new acceleration?
a)
5.0 m/s2
b)
15.0 m/s2
c)
20.0 m/s2
d)
25.0 m/s2
21.
Suppose you are inside a vehicle moving at a constant speed. The moment the car suddenly slows down and and comes to a stop, you have the tendency to - 
a)
lean forward
b)
lean backward
c)
remain steady
22.

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

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

23.

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

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

24.

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

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

25.

A sports car speeds up much faster than a tow truck when a traffic light turns from red to green. Which law is this?

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newtons 3rd Law of Motion

26.

What is the force used to move an object with a mass of .25kg and acceleration of 6.0 m/s^2

a)

15N

b)

0.15N

c)

1.5N

d)

5N

27.

What is the mass of an object that accelerates at 125 m/s^2 with the force of 500N?

a)

0.25kg

b)

4kg

c)

25kg

d)

0.4kg

28.

Which direction will the force move this object? And with how much force?

(a)  

29.

A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

30.

A book sitting on the table does not move.

a)

Law 1

b)

Law 2

c)

Law 3

31.
Which law best explains why people remain in motion when a car crashes, if they are not wearing a seat belt?
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)
Newton's Law of Force Pairs
d)
Newton's Law of Biology
32.
Which law best explains why more force must be applied to the bowling ball to make it accelerate at the same rate as the tennis ball. 
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)
Newton's Law of Force Pairs
d)
Newton's Law of Biology
33.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
34.
How long will an object remain at rest, according to Newton's First Law of Motion?
a)
it can't rest
b)
until noon
c)
until an unbalanced force occurs
d)
as long as there are unbalanced forces acting on it 
35.
Which of these is an example of Newton's First Law, inertia?
a)
pushing against a brick wall, and the brick wall does not move
b)
pushing against a stationary wheelbarrow, and the wheelbarrow accelerates forward
c)
pushing a wheelbarrow full of bricks, and the bricks slide back toward the handles
d)
pushing a wagon to the top of a hill, and the wagon to the top of hill and the wagon accelerates down the hill without assistance
36.

If Bob pushes a stack of papers with a mass of 12 kilograms, and an acceleration of 8 m/s, then how much force will he need to apply?

a)

1.5 Newtons

b)

84 Newtons

c)

96 Newtons

d)

2/3 Newtons

37.

What happens to the acceleration of an object if the mass is doubled while the net force remains constant?

a)

It is halved

b)

It doubles

c)

It remains the same

38.

Which of the following best describes the relationship between mass and acceleration according to Newton's second law?

a)

Mass has no effect on acceleration

b)

Mass and acceleration are inversely proportional

c)

Mass and acceleration are directly proportional

39.

When a car suddenly stops, passengers lurch forward. Which law explains this phenomenon?

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

40.

What will happen to the acceleration of an object if the net force acting on it is doubled while the mass remains constant?

a)

It will be halved

b)

It will double

c)

It will remain the same

41.

Which of the following best illustrates Newton's Third Law of Motion?

a)

A person jumping off a diving board pushes down on the board.

b)

A ball rolling down a hill.

c)

A car accelerating on a flat road.

42.

When a skateboarder pushes off the ground, what law explains the motion of the skateboard?

a)

Newton's 3rd Law of Motion

b)

Newton's 1st Law of Motion

c)

Newton's 2nd Law of Motion

43.

When a car accelerates, which law explains the relationship between the force applied and the mass of the car?

a)

Newton's 1st Law of Motion

b)

Newton's 3rd Law of Motion

c)

Newton's 2nd Law of Motion

44.

If a soccer ball is kicked and rolls across the field, which law describes its motion until it comes to a stop?

a)

Newton's Law of Inertia

b)

Newton's Law of F=ma

c)

Newton's Law of Force Pairs

45.

If a car accelerates at a rate of 5 m/s2 with a net force of 1000N, what is its mass?

a)

25kg

b)

100kg

c)

50kg

d)

200kg

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