Quiz about Newton's Laws of Motion Review

Question 1

Unit of mass

Accepted Answer

kg

Answer

m/s 2

Answer

m/s

Answer

newtons

Question 2

A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box?

Accepted Answer

2N right

Answer

18N left

Answer

18N right

Answer

2N left

Question 3

If net force acting on object is 0, then the force is considered to be..

Accepted Answer

Balanced

Answer

Unbalanced

Answer

Equal in Direction

Answer

Distance/Time

Question 4

A cat sitting on couch, a pencil on desk and a car at rest are all example of..

Accepted Answer

Balanced Force

Answer

Unbalanced Force

Question 5

A car speeding up, a dog slowing down and person turning around the block are examples of..

Accepted Answer

Unbalanced Forces

Answer

Balanced Forces

Question 6

What is Newton's First Law known as? The Law of

Accepted Answer

Inertia

Answer

Friction

Answer

Mass

Answer

Gravity

Question 7

Which type of force(s) will cause a change in an object's motion?

Accepted Answer

unbalanced forces

Answer

gravity

Answer

zero net force

Answer

balanced forces

Question 8

What is Newton's First Law

Accepted Answer

An object at rest stays at rest, an object in motion stays in motion.

Answer

F=ma

Answer

Every action has an equal and opposite reaction

Answer

Friction

Question 9

Newton's third law states that any action will have a(n) _______ and ______ reaction

Accepted Answer

Equal and opposite

Answer

Equal and similar

Answer

Equal and different

Answer

Greater and opposite

Question 10

This equation goes with which law?

Accepted Answer

Newton's second law of motion

Answer

Newton's first law of motion

Answer

Newton's third law of motion

Answer

None of these

Question 11

A person is pushed forward into their seat belt when a car stops.  Which law is this?

Accepted Answer

1st

Answer

2nd

Answer

2 and 3

Answer

3rd

Question 12

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

Accepted Answer

3rd Law, the Law of Action Reaction

Answer

1st Law, the Law of Inertia.

Answer

2nd Law, the Law of Acceleration.

Answer

The Law of Conservation of Mass

Question 13

Which of Newton's Laws is illustrated with a large mass and a small mass accelerating?

Accepted Answer

2nd Law, the Law of Acceleration

Answer

1st Law, the Law of Inertia.

Answer

3rd Law, the Law of Action Reaction

Answer

The Law of Conservation of Mass

Question 14

How long will an object remain at rest, according to Newton's First Law of Motion?

Accepted Answer

until an unbalanced force occurs

Answer

it can't rest

Answer

until noon

Answer

as long as there are unbalanced forces acting on it

Question 15

For every _______ there is an equal and opposite ________.

Accepted Answer

action, reaction

Answer

reaction, action

Answer

action, action

Answer

reaction, reaction

Question 16

You are sitting in a car that isn't moving; the car accelerates. Your body is pushed back. Explain.

Accepted Answer

inertia

Answer

newtons

Answer

vector

Answer

gravity

Question 17

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

Accepted Answer

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

Answer

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

Answer

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

Answer

It should be equally as hard to push the two vans

Question 18

You are holding a bowl of hot soup while standing in the kitchen. As you begin to move, the soup spills out of the bowl. Upon reflection you realize that

Accepted Answer

the soup wanted to stay where it was, but you moved the bowl

Answer

the soup spilled because of air resistance

Answer

if you had traveled faster this wouldn't have happened

Answer

the soup and the bowl act as one body with the same velocity

Question 19

Why do you lean towards the left when a car turns right

Accepted Answer

because of inertia

Answer

because of gravity

Answer

because of buoyancy

Answer

because of velocity

Question 20

You pull a wagon with your younger sister in it. Which of these would accelerate the rate at which you can pull the wagon?

Accepted Answer

Pull the wagon with more force

Answer

pull the wagon with less force

Answer

Have your sister push down on the wagon

Answer

Put another of your siblings in the wagon

Question 21

A wheelbarrow is experiencing two forces. One is pushing 5N east and another 5N west. What is true about the motion of the wheelbarrow?

Accepted Answer

it isn't moving

Answer

it is accelerating

Answer

it is slowing down

Answer

its speed is constant

Question 22

When a person jumps horizontally off the end of a boat, the person goes forward and the boat goes backward. This is an example of

Accepted Answer

action and reaction

Answer

inertia

Answer

Newton's 1st law

Answer

Newton's 2nd law

Question 23

Pat measure a small rubber ball and makes 3 other balls of the same diameter from lead, foam, and wood. Which has the greatest inertia?

Accepted Answer

lead ball

Answer

rubber ball

Answer

foam ball

Answer

wood ball

Question 24

Two objects are connected by a rope over a pulley.  According to Newton's Second Law of Motion, the masses will start to move if the

Accepted Answer

mass of object 1 is greater than the mass of object 2

Answer

acceleration of object 1 is greater than acceleration of object 2

Answer

acceleration of object 2 is greater than acceleration of object 1

Answer

mass object 2 is greater than the mass of object 1

Question 25

Which example best explains Newton's Third Law of Motion?

Accepted Answer

When you sit on a chair, your body exerts a downward force on the surface of the chair, while the chair exerts an equal and upward force on your body.

Answer

When a glass slid across a table, it spilled water when it stopped suddenly.

Answer

An engine used less work to move a lighter car than when it moved a heavier car.

Question 26

A truck that is travelling at a constant speed is carrying some boxes.  If the truck comes to a sudden stop, what will most likely happen to the boxes?

Accepted Answer

They will slide toward the front of the truck.

Answer

They will stay in the middle of the truck.

Answer

They will slide toward the back of the truck.

Answer

They will fall off the side of the truck.

Question 27

A student throws a ball against a wall.  Which statement best explains what is happening in the picture.

Accepted Answer

The force from the wall on the ball is equal and opposite to the force from the ball on the wall.

Answer

The energy of the ball is destroyed as it strikes the wall.

Answer

The energy of the ball becomes negative as it hits the wall.

Answer

The force exerted by the ball on the wall is greater than the force exerted by the wall on the ball.

Question 28

Object X has twice the mass of Object Y.  Both objects are accelerating at the same rate.  Which statement best describes the motions of Object X and Object Y.

Accepted Answer

Object X requires twice the force to accelerate at the same rate as Object Y.

Answer

Object X is travelling at twice the speed as Object Y.

Answer

Object X is travelling at half the speed as Object Y.

Answer

Object X requires half the force to accelerate at the same rate as Object Y.

Question 29

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?

Accepted Answer

For every action there is an equal and opposite reaction.

Answer

Every mass exerts a force on every other mass.

Answer

An object at rest tends to stay at rest.

Answer

Friction opposes the motion of an object.

Question 30

The force that draws all objects towards Earth.

Accepted Answer

gravity

Answer

friction

Answer

mass

Answer

acceleration

Question 31

A rubbing together force that slows things down and stops them.  It works against motion.

Accepted Answer

friction

Answer

acceleration

Answer

mass

Answer

gravity

Question 32

Who invented the 3 Laws of Motion?

Accepted Answer

Sir Isaac Newton

Answer

Sir Francis Bacon

Answer

Johannes Kepler

Answer

Galileo Galilei

Question 33

If you are shooting a basketball, the basketball pushes on your hand as your hand pushes on the basketball.  This is Newton's 3rd law of motion that says

Accepted Answer

for every action there is an equal and opposite reaction

Answer

an object at rest will stay at rest unless acted on by an unbalanced force

Answer

acceleration is produced when a force acts on a mass, the greater the mass, the greater the amount of force needed to accelerate the object

Answer

an object in motion will remain in motion unless acted on by an unbalanced forece

Question 34

The soccer ball is sitting on the half line and Zach runs up to kick it.  What law will occur when he kicks it?

Accepted Answer

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

Answer

An object will remain motionless until it decides to move.

Answer

The harder Zack kicks the ball, the less distance it will travel.

Answer

Time travel has always been possible.  You just have to believe.

Question 35

If Brandon wants the  baseball to go far, he must use _________ force when he swings the bat.

Accepted Answer

more

Answer

no

Answer

equal

Answer

less

Question 36

Hank is playing golf. If Hank is near hole 9, he will need to use a _____ amount of force so that the ball doesn't roll past hole 9.

Accepted Answer

small

Answer

large

Answer

equal

Answer

crazy

Question 37

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?

Accepted Answer

Newton's 3rd Law of Motion

Answer

Newton's 1st Law of Motion

Answer

Newton's 2nd Law of Motion

Answer

Newton's Law of Biology

Question 38

Which law best explains how objects accelerate when a force is applied?

Accepted Answer

Newton's 2nd Law of Motion

Answer

Newton's 1st Law of Motion

Answer

Newton's 3rd Law of Motion

Answer

Newton's Law of Chemistry

Question 39

What kind(s) of objects have inertia?

Accepted Answer

all objects with mass

Answer

only objects at rest

Answer

only objects in motion

Answer

only objects whose motion is being changed

Question 40

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

Accepted Answer

same

Answer

feathers

Answer

iron

Answer

depends on their friction

Question 41

After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals

Accepted Answer

zero, since no force is required to keep it moving.

Answer

twice the force with which it was fired

Answer

the same amount of force with which it was fired

Answer

1/2 the force with which it was fired

Question 42

The acceleration produced by a net force on an object is

Accepted Answer

all of the above

Answer

inversely proportional to the mass of the object.

Answer

directly proportional to the magnitude of the net force.

Answer

in the same direction as the net force.

Question 43

A book weighs 4 N. When held at rest in your hands, the net force on the book is

Accepted Answer

0 N.

Answer

0.4 N.

Answer

4 N.

Answer

39 N.

Question 44

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

Accepted Answer

200 Newtons

Answer

25 Newtons

Answer

20 Newtons

Answer

10 Newtons

Question 45

What is the difference between mass and weight?

Accepted Answer

mass is how much matter is in an object, and weight is the gravitational pull on that object

Answer

mass and weight are the same

Answer

weight affects how much mass is in an object

Answer

weight is determined by how many atoms make up an object

Question 46

When a heavy football player and a light one run into each other, who exerts more force?

Accepted Answer

The heavy one

Answer

The light one

Answer

They are equal

Answer

There is no such thing as force

Question 47

Which law best describes a satellite orbiting the earth?

Accepted Answer

Law of Inertia

Answer

Law of Mass and Acceleration

Answer

Law of Action Reaction

Question 48

A _______ is a push or pull.

Accepted Answer

Force

Answer

Newton

Answer

Acceleration

Answer

Momentum

Question 49

The Free Body Diagram above shows the forces acting on a hockey puck in motion to the right.  Which of the following describe the motion of the hockey puck?

Accepted Answer

the hockey puck moves to the right with constant velocity

Answer

the hockey puck is slowing down

Answer

the hockey puck is speeding up

Answer

the hockey puck moves is a circle

Newton's Laws of Motion Review

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