Newton's Laws of Motion: Interactive Learning Quizzes

Question 1

Mass is a measure of an object's:

Accepted Answer

Inertia

Answer

Volume

Answer

Weight

Question 2

Newton's second law of motion can be expressed mathematically as:

Accepted Answer

F = m * a

Answer

F = a * m

Answer

F = m / a

Question 3

A car travels from 0 to 100 km/h in 10 seconds. What is its average acceleration?

Accepted Answer

10 m/s²

Answer

5 m/s²

Answer

15 m/s²

Question 4

Friction is an example of a:

Accepted Answer

Contact force

Answer

Non-contact force

Answer

Gravitational force

Question 5

Momentum is a vector quantity defined as:

Accepted Answer

Mass multiplied by velocity

Answer

Force multiplied by time

Answer

Acceleration multiplied by displacement

Question 6

Which of the following is a conserved quantity in an isolated system?

Accepted Answer

Energy

Answer

Momentum

Answer

Velocity

Question 7

An object is moving at a constant speed on a surface with no friction. What will happen to the object's motion if the surface becomes rougher, according to Newton's first law?

Accepted Answer

The object will slow down.

Answer

The object will continue moving at the same speed and in the same direction.

Answer

The object will stop moving immediately.

Answer

The object will speed up in the opposite direction of its motion.

Question 8

A child is cycling uphill. How do the forces acting on the bike and the child change as they ascend, and how do these changes affect their motion?

Accepted Answer

Friction increases, gravity increases, and the child's force increases.

Answer

Friction decreases, gravity decreases, and the child's force increases.

Answer

Friction decreases, gravity increases, and the child's force decreases.

Answer

Friction increases, gravity decreases, and the child's force increases.

Question 9

According to Newton's First Law of Motion, an object at rest will remain at rest unless acted upon by an unbalanced force. What is this principle known as?

Accepted Answer

Inertia

Answer

Momentum

Answer

Action-reaction

Answer

Gravity

Question 10

Which of Newton's Laws of Motion describes the principle that for every action, there is an equal and opposite reaction?

Accepted Answer

Third Law

Answer

First Law

Answer

Second Law

Answer

Law of Universal Gravitation

Question 11

An object with a greater mass has:

Accepted Answer

More inertia

Answer

Less inertia

Answer

The same inertia

Answer

No inertia

Question 12

When an object is thrown into the air, its velocity at the highest point of its trajectory is:

Accepted Answer

Zero

Answer

Maximum

Answer

Minimum

Answer

Constant

Question 13

Friction is a force that:

Accepted Answer

Opposes the motion of objects

Answer

Assists the motion of objects

Answer

Is always constant

Answer

Is independent of the roughness of surfaces

Question 14

For an object accelerating at a constant rate, the relationship between its displacement and time is:

Accepted Answer

Linear

Answer

Quadratic

Answer

Exponential

Answer

Inversely proportional

Question 15

Newton's laws of motion are applicable to:

Accepted Answer

All objects on Earth

Answer

Only objects in space

Answer

Only macroscopic objects

Answer

Only microscopic objects

Question 16

What is the SI unit of force?

Accepted Answer

Newton

Answer

Kilogram

Answer

Meter

Answer

Second

Question 17

Newton's first law of motion, also known as the Law of Inertia, states that:

Accepted Answer

An object at rest stays at rest unless acted upon by an unbalanced force.

Answer

An object in motion stays in motion with the same speed and direction unless acted upon by an unbalanced force.

Answer

The acceleration of an object is directly proportional to the net force acting on the object.

Answer

For every action, there is an equal and opposite reaction.

Question 18

Which of the following is NOT a type of force?

Accepted Answer

Momentum

Answer

Contact force

Answer

Field force

Answer

Elastic force

Question 19

According to Newton's second law of motion, the acceleration of an object is directly proportional to:

Accepted Answer

The net force acting on the object

Answer

The mass of the object

Answer

The velocity of the object

Answer

The momentum of the object

Question 20

In a rocket engine, the expulsion of exhaust gases creates a:

Accepted Answer

Reaction force

Answer

Contact force

Answer

Field force

Answer

Gravitational force

Question 21

When a car is traveling at a constant speed on a level road, which of the following forces is acting on the car?

Accepted Answer

Static friction

Answer

Kinetic friction

Answer

Gravity

Answer

Net force

Question 22

Which of the following is the SI unit of force?

Accepted Answer

Newton

Answer

Kilogram

Answer

Meter

Answer

Second

Question 23

At the highest point of its trajectory, a ball thrown vertically upward is momentarily:

Accepted Answer

Not accelerating

Answer

Accelerating upward

Answer

Accelerating downward

Answer

Moving at a constant velocity

Question 24

A force of 20 newtons is applied to a mass of 4 kilograms. What is the acceleration of the mass?

Accepted Answer

8 m/s^2

Answer

5 m/s^2

Answer

10 m/s^2

Answer

20 m/s^2

Question 25

A ball is launched horizontally with an initial velocity of 10 meters per second from a height of 20 meters. Assuming no air resistance, how long will it take for the ball to reach the ground?

Accepted Answer

2 seconds

Answer

1 second

Answer

3 seconds

Answer

4 seconds

Question 26

An object hangs motionless from a ceiling by a rope. Which free body diagram correctly shows the forces acting on the object?

Accepted Answer

A diagram showing both the force of gravity pulling down and the tension force of the rope pulling up.

Answer

A diagram showing only the force of gravity pulling down.

Answer

A diagram showing only the tension force of the rope pulling up.

Question 27

Which of the following is NOT a law of motion described by Isaac Newton?

Accepted Answer

Law of Conservation of Energy

Answer

Law of Inertia

Answer

Law of Universal Gravitation

Answer

Law of Action and Reaction

Question 28

According to Newton's first law of motion, an object at rest will remain at rest unless acted upon by an unbalanced force. True or False?

Accepted Answer

True

Answer

False

Question 29

For every action, there is an equal and opposite reaction. True or False?

Accepted Answer

True

Answer

False

Question 30

A rocket launches into space by expelling hot gases out of its nozzle at high speed. Which of the following best describes the force that propels the rocket upward?

Accepted Answer

Action-reaction force

Answer

Gravitational force

Answer

Frictional force

Answer

Electromagnetic force

Question 31

A baseball player hits a baseball with a force of 100 N. What is the force exerted by the baseball on the player's bat?

Accepted Answer

100 N

Answer

50 N

Answer

150 N

Answer

200 N

Question 32

A force of 20 N is applied to a block of mass 5 kg. What is the acceleration of the block?

Accepted Answer

2 m/s²

Answer

1 m/s²

Answer

4 m/s²

Answer

8 m/s²

Question 33

When an object is at rest, which of Newton's laws of motion states that it will remain at rest unless acted upon by an external force?

Accepted Answer

First law

Answer

Second law

Answer

Third law

Answer

None of the laws

Question 34

According to Newton's third law of motion, for every action, there is:

Accepted Answer

An equal and opposite reaction

Answer

A greater and opposite reaction

Answer

A smaller and opposite reaction

Answer

No reaction

Question 35

The force of friction always acts:

Accepted Answer

In the opposite direction of motion

Answer

In the same direction as motion

Answer

Perpendicular to motion

Answer

At an angle to motion

Question 36

Which of the following factors does NOT affect the amount of friction between two surfaces?

Accepted Answer

The color of the surfaces

Answer

The roughness of the surfaces

Answer

The weight of the objects

Answer

The temperature of the surfaces

Question 37

Newton's laws of motion apply to:

Accepted Answer

All objects in the universe

Answer

Only objects on Earth

Answer

Only objects in motion

Answer

Only objects at rest

Question 38

Which of Newton's laws describes the relationship between the net force acting on an object and its acceleration?

Accepted Answer

Newton's Second Law

Answer

Newton's Third Law

Answer

Newton's First Law

Question 39

An object at rest will remain at rest, or if in motion, will continue moving with constant velocity in a straight line, unless acted upon by a net external force. This is known as:

Accepted Answer

Newton's First Law of Motion

Answer

Newton's Third Law of Motion

Answer

Law of Universal Gravitation

Answer

Newton's Second Law of Motion

Question 40

For every action, there is an equal and opposite reaction. This principle is stated in:

Accepted Answer

Newton's Third Law of Motion

Answer

Newton's Second Law of Motion

Answer

Law of Conservation of Energy

Answer

Newton's First Law of Motion

Question 41

The momentum of an object is defined as its:

Accepted Answer

Mass times velocity

Answer

Displacement

Answer

Force

Answer

Kinetic energy

Question 42

Which of the following is a non-conservative force?

Accepted Answer

Friction

Answer

Electrostatic force

Answer

Gravitational force

Question 43

A ball is thrown vertically upward with a velocity of 10 m/s. What is its maximum height?

Accepted Answer

Approximately 10.1 m

Answer

5 m

Answer

15 m

Question 44

Which of the following is the SI unit of force?

Accepted Answer

Newton

Answer

Coulomb

Answer

Joule

Answer

Watt

Question 45

A stationary hockey puck slides across a frictionless ice surface at a constant velocity. What can you say about the net force acting on the puck?

Accepted Answer

It is zero.

Answer

It is opposite to the direction of the puck's motion.

Answer

It is in the direction of the puck's motion.

Question 46

A student exerts a force of 50 N on a wall by pushing against it. What is the magnitude of the reaction force exerted by the wall on the student?

Accepted Answer

50 N

Answer

100 N

Answer

0 N

Question 47

Which of the following is an example of inertia?

Accepted Answer

A book at rest on a table remains at rest until acted upon by an unbalanced force.

Answer

A ball rolling uphill.

Answer

A bicycle accelerating down a hill.

Question 48

Two objects of different masses are dropped from the same height in a vacuum. Which object will reach the ground first?

Accepted Answer

They will reach the ground at the same time.

Answer

The lighter object

Answer

The heavier object

Question 49

A 10 kg bowling ball and a 5 kg bowling ball are rolling at the same velocity. Which ball has greater momentum?

Accepted Answer

The 10 kg bowling ball

Answer

They have the same momentum

Answer

The 5 kg bowling ball

Question 50

A net force of 10 N is applied to a 2 kg object that is initially at rest. What is the object's acceleration?

Accepted Answer

5 m/s²

Answer

10 m/s²

Answer

2 m/s²

Question 51

Which of the following is an example of an action-reaction force pair?

Accepted Answer

A swimmer pushes off the wall of a pool, and the wall pushes back on the swimmer.

Answer

A ball thrown upwards, slowing down due to gravity

Answer

A book resting on a table

Question 52

A rocket propels itself forward by expelling hot gas out of its engines. Which of Newton's Laws best explains this phenomenon?

Accepted Answer

Newton's Third Law

Answer

Newton's Second Law

Answer

Newton's First Law

Question 53

A car traveling at a constant speed suddenly applies the brakes and comes to a stop. What happens to the momentum of the car?

Accepted Answer

It is transferred to other forms of energy, such as heat and sound.

Answer

It is destroyed and disappears.

Answer

It is conserved and remains the same.