Newton's Laws of Motion: Interactive Learning Quizzes

Question 1

Which of the following accurately describes Newton's First Law of Motion?

Accepted Answer

An object at rest remains at rest unless an external force is applied.

Answer

The acceleration of an object is proportional to the total force applied.

Answer

For each action, there is an equal and opposing reaction.

Answer

Momentum is conserved in a closed system.

Question 2

In the International System of Units (SI), the standard unit for measuring force is the:

Accepted Answer

Newton (N)

Answer

Joule (J)

Answer

Watt (W)

Answer

Pascal (Pa)

Question 3

A rocket engine generates a thrust of 100 kN. If the rocket has a mass of 1000 kg, calculate its acceleration.

Accepted Answer

100 m/s²

Answer

10 m/s²

Answer

1000 m/s²

Answer

10000 m/s²

Question 4

Which of the following is an example of a conservative force?

Accepted Answer

Gravity

Answer

Friction

Answer

Air resistance

Answer

Tension

Question 5

Which of the following is not a law of thermodynamics?

Accepted Answer

All processes are reversible.

Answer

Total energy in an isolated system remains constant.

Answer

Heat transfer occurs from higher to lower temperatures.

Answer

Entropy increases in a closed system.

Question 6

A simple pendulum with a length of 1 m has a time period of 2 seconds. Calculate the acceleration due to gravity at the location where the pendulum is suspended.

Accepted Answer

9.8 m/s²

Answer

4.9 m/s²

Answer

14.7 m/s²

Answer

19.6 m/s²

Question 7

The SI unit of force is the:

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 8

According to Newton's Second Law of Motion, the acceleration of an object is directly proportional to the:

Accepted Answer

Force acting on the object

Answer

Mass of the object

Answer

Volume of the object

Answer

Temperature of the object

Question 9

The momentum of an object is the product of its:

Accepted Answer

Mass and velocity

Answer

Force and velocity

Answer

Mass and acceleration

Answer

Force and displacement

Question 10

In a collision, the total momentum of the system is:

Accepted Answer

Conserved

Answer

Increased

Answer

Decreased

Answer

Unpredictable

Question 11

Which of the following is an example of a centripetal force?

Accepted Answer

Tension in a string

Answer

Force of gravity

Answer

Force of friction

Answer

Normal force

Question 12

The work done on an object is equal to the:

Accepted Answer

Force applied to the object multiplied by the displacement of the object in the direction of the force

Answer

Force applied to the object multiplied by the time for which the force is applied

Answer

Force applied to the object multiplied by the velocity of the object

Answer

Force applied to the object multiplied by the acceleration of the object

Question 13

The power of a machine is the rate at which it does:

Accepted Answer

Work

Answer

Force

Answer

Energy

Answer

Momentum

Question 14

According to Newton's first law of motion, what happens to an object at rest when no external force acts upon it?

Accepted Answer

It remains at rest.

Answer

It moves with constant velocity.

Answer

It accelerates.

Answer

It explodes.

Question 15

A ball is thrown vertically upwards. What happens to its acceleration at the highest point of its trajectory?

Accepted Answer

It becomes zero.

Answer

It becomes negative.

Answer

It remains constant.

Answer

It becomes infinite.

Question 16

Which of the following is NOT a fundamental force in nature?

Accepted Answer

Friction

Answer

Gravity

Answer

Electromagnetism

Answer

Strong nuclear force

Question 17

What is the SI unit of force?

Accepted Answer

Newton

Answer

Kilogram

Answer

Joule

Answer

Watt

Question 18

What is the formula for momentum?

Accepted Answer

Mass × Velocity

Answer

Mass + Velocity

Answer

Velocity / Mass

Answer

Mass - Velocity

Question 19

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

Accepted Answer

Second law

Answer

First law

Answer

Third law

Answer

Law of Universal Gravitation

Question 20

A car accelerates uniformly from rest to 60 miles per hour in 10 seconds. What is the car's acceleration?

Accepted Answer

6 mph/s

Answer

10 mph/s

Answer

60 mph/s

Question 21

When you push on a wall, the wall pushes back on you with the same magnitude of force in the opposite direction. This is an example of:

Accepted Answer

Newton's third law of motion

Answer

Newton's first law of motion

Answer

Newton's second law of motion

Question 22

The SI unit of force is the:

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Question 23

A 10 kilogram object is suspended by a rope. What is the tension in the rope?

Accepted Answer

98 N

Answer

10 N

Answer

100 N

Question 24

Which of the following is an example of a balanced force?

Accepted Answer

A book sitting on a table

Answer

A car accelerating

Answer

A rocket taking off

Question 25

The momentum of an object is:

Accepted Answer

Mass times velocity

Answer

Force times time

Answer

Energy divided by mass

Question 26

Which of the following is a vector quantity?

Accepted Answer

Acceleration

Answer

Speed

Answer

Mass

Question 27

Which of Newton's laws states that an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force?

Accepted Answer

First law

Answer

Second law

Answer

Third law

Question 28

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

Accepted Answer

Directly proportional to the net force acting on it

Answer

Inversely proportional to its mass

Answer

The same as its velocity

Question 29

What is the SI unit of force?

Accepted Answer

Newton

Answer

Kilogram

Answer

Metre

Question 30

Which of the following is an example of an impulsive force?

Accepted Answer

The force applied by a hammer to a nail

Answer

The force applied by a book resting on a table

Answer

The force applied by a car engine to the wheels

Question 31

The coefficient of friction is a measure of:

Accepted Answer

The ratio of the force of friction to the normal force

Answer

The force required to overcome static friction

Answer

The force required to overcome kinetic friction

Question 32

A body is moving in a circular path under the action of a centripetal force. What happens to its velocity as it moves along the path?

Accepted Answer

It remains constant

Answer

It increases

Answer

It decreases

Question 33

Which of the following is an example of a non-inertial frame of reference?

Accepted Answer

A lift moving upwards with a constant acceleration

Answer

A car moving at a constant speed

Answer

A stationary observer on a railway platform

Question 34

Which of the following is the correct statement of Newton's first law of motion?

Accepted Answer

An object at rest stays at rest, and an object in motion stays in motion with the same speed and direction unless acted upon by an external force.

Answer

The momentum of an object is constant unless acted upon by an external force.

Answer

The acceleration of an object is directly proportional to the mass of the object.

Question 35

A car of mass 1000 kg is moving at a speed of 10 m/s. What is its momentum?

Accepted Answer

10,000 kg*m/s

Answer

1000 kg*s

Answer

100 kg*m/s

Question 36

Which of the following is NOT a fundamental force in nature?

Accepted Answer

Friction

Answer

Electromagnetic force

Answer

Weak nuclear force

Answer

Gravitational force

Question 37

A block is placed on a table. Which of the following forces is acting on the block?

Accepted Answer

Gravitational force, Normal force

Answer

Friction, Wind resistance

Answer

Tension, Buoyancy

Answer

Electromagnetic force, Strong nuclear force

Question 38

Which of the following is a scalar quantity?

Accepted Answer

Temperature

Answer

Acceleration

Answer

Force

Answer

Velocity

Question 39

Which of the following is the SI unit of force?

Accepted Answer

Newton

Answer

Watt

Answer

Joule

Answer

Kilogram

Question 40

Which of the following is a consequence of Newton's third law of motion?

Accepted Answer

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

Answer

The acceleration of an object is directly proportional to the force applied to it.

Answer

The total momentum of a closed system is conserved.

Question 41

A car is traveling at a speed of 30 m/s. If the driver applies the brakes and the car stops in 5 seconds, what is the acceleration of the car?

Accepted Answer

-6 m/s^2

Answer

6 m/s^2

Answer

30 m/s^2

Answer

-30 m/s^2

Question 42

Which of Newton's laws of motion describes the relationship between an object's acceleration and the net force acting upon it?

Accepted Answer

Second Law

Answer

First Law

Answer

Law of Universal Gravitation

Answer

Third Law

Question 43

An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. This principle is known as:

Accepted Answer

Newton's First Law of Motion

Answer

Newton's Third Law of Motion

Answer

Newton's Second Law of Motion

Answer

Law of Inertia

Question 44

For every action, there is an equal and opposite reaction. This principle is described by:

Accepted Answer

Newton's Third Law of Motion

Answer

Newton's First Law of Motion

Answer

Law of Conservation of Energy

Answer

Newton's Second Law of Motion

Question 45

An example of balanced forces is:

Accepted Answer

A book resting motionless on a table

Answer

A car accelerating from rest

Answer

A ball thrown vertically upwards

Question 46

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Mass

Answer

Time

Answer

Temperature