Newton's Laws of Motion: Interactive Learning Quizzes for Physical Education

Question 1

According to Newton's second law of motion, how are velocity and acceleration related?

Accepted Answer

Acceleration is the rate of change of velocity with respect to time.

Answer

Velocity is the rate of change of acceleration with respect to time.

Question 2

According to Newton's first law of motion, what happens to an object at rest or in motion unless acted upon by an outside force?

Accepted Answer

It remains at rest or continues moving with constant speed in a straight line.

Answer

It changes direction

Answer

It accelerates

Answer

It decelerates

Question 3

Newton's second law of motion states that the force acting on an object is directly proportional to its:

Accepted Answer

Mass and acceleration

Answer

Acceleration and velocity

Answer

Mass and velocity

Answer

Velocity and time

Question 4

Which of the following best describes Newton's third law of motion?

Accepted Answer

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

Answer

The momentum of a closed system is always conserved.

Answer

The total force acting on an object is always zero.

Answer

The acceleration of an object is inversely proportional to its mass.

Question 5

Which of the following is NOT a type of force that can act on the human body during physical activities?

Accepted Answer

Magnetic force

Answer

Normal force

Answer

Frictional force

Answer

Gravitational force

Question 6

The principle of conservation of momentum states that:

Accepted Answer

The total momentum of an isolated system remains constant.

Answer

The total force acting on an isolated system is zero.

Answer

The total energy of an isolated system remains constant.

Question 7

Impulse in linear motion is defined as:

Accepted Answer

The product of force and the time it is applied.

Answer

The total energy of an object

Answer

The product of mass and velocity

Answer

The momentum of an object

Question 8

Which of the following accurately states Newton's first law of motion?

Accepted Answer

An object at rest will remain at rest, while an object in motion will maintain its velocity unless acted upon by an external force.

Answer

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

Answer

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

Question 9

When an unbalanced force is exerted on an object, what is the resulting effect on the object?

Accepted Answer

Acceleration

Answer

Change in direction

Answer

No change in motion

Answer

Deceleration

Question 10

Which of the following scenarios exemplifies Newton's third law of motion?

Accepted Answer

When you push against a wall, the wall pushes back on you with an equal and opposite force.

Answer

When a ball rolls down a hill, it experiences a net force in the direction of its motion.

Answer

When you jump, the Earth pulls you down with a force greater than the force you push off the ground.

Question 11

Which factor does NOT influence the gravitational force between two objects?

Accepted Answer

Their shape

Answer

Their masses

Answer

Their distance apart

Answer

The presence of other objects

Question 12

Which of the following is a unit used to measure force?

Accepted Answer

Newton

Answer

Kilogram

Answer

Meter

Answer

Joule

Question 13

The applicability of Newton's laws of motion extends to:

Accepted Answer

The motion of all objects

Answer

Only the motion of objects on Earth

Answer

Only the motion of objects in space

Question 14

What is a limitation of Newton's laws of motion?

Accepted Answer

They do not account for relativistic effects experienced at extremely high speeds.

Answer

They do not apply to objects in motion on Earth.

Answer

They are too complex to be used in real-world situations.

Question 15

Newton's second law of motion describes the relationship between force and acceleration. Which of the following equations represents this law?

Accepted Answer

F = ma

Answer

F = mv

Answer

a = F/m

Answer

v = at

Question 16

Which of Newton's laws states that for every action, there is an equal and opposite reaction?

Accepted Answer

Third law of motion

Answer

First law of motion

Answer

Second law of motion

Question 17

The force required to accelerate an object is directly proportional to its:

Accepted Answer

Mass

Answer

Shape

Answer

Density

Answer

Volume

Question 18

The unit of force in the International System of Units (SI) is the:

Accepted Answer

Newton (N)

Answer

Kilogram (kg)

Answer

Second (s)

Answer

Meter (m)

Question 19

Which of the following has the greatest kinetic energy?

Accepted Answer

A car traveling at 60 mph

Answer

A person walking at 3 mph

Answer

A book sitting on a shelf

Answer

A ball rolling at 10 mph

Question 20

When the net force acting on an object is zero, the object will:

Accepted Answer

Move with constant velocity

Answer

Change direction

Answer

Decelerate

Answer

Accelerate

Question 21

At the peak of its trajectory, a projectile's:

Accepted Answer

Vertical velocity is zero.

Answer

Horizontal velocity is zero.

Answer

Gravitational force is zero.

Question 22

Which of the following is not considered a fundamental force in physics?

Accepted Answer

Displacement

Answer

Electromagnetism

Answer

Strong nuclear force

Answer

Gravity

Question 23

An illustration of Newton's Third Law of Motion is:

Accepted Answer

When you push against a wall, the wall pushes back on you with the same amount of force.

Answer

When a car accelerates, its passengers are pushed back against their seats.

Answer

When you drop a ball, it accelerates towards the ground due to gravity.

Question 24

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

Accepted Answer

First Law (Law of Inertia)

Answer

Third Law (Law of Action-Reaction)

Answer

Second Law (Law of Acceleration)

Answer

Law of Universal Gravitation

Question 25

According to Newton's 2nd Law, the acceleration of an object depends directly on which of the following factors?

Accepted Answer

Net force acting on the object

Answer

Time for which the force acts

Answer

Mass of the object

Answer

Velocity of the object

Question 26

In a closed system, the total momentum of the system:

Accepted Answer

Remains the same (Law of Conservation of Momentum)

Answer

Decreases

Answer

Increases

Answer

Becomes zero

Question 27

A car is traveling at a constant speed in a straight line. Which of Newton's Laws is primarily responsible for this motion?

Accepted Answer

First Law (Law of Inertia)

Answer

Law of Universal Gravitation

Answer

Second Law (Law of Acceleration)

Answer

Third Law (Law of Action-Reaction)

Question 28

Which of the following is a unit of force in the SI system?

Accepted Answer

Newton (N)

Answer

Kilogram (kg)

Answer

Second (s)

Answer

Meter (m)

Question 29

Which of the following statements about Newton's Laws of Motion is incorrect?

Accepted Answer

Newton's Laws are only applicable to objects on Earth

Answer

Newton's Laws can be used to analyze complex physical systems

Answer

Newton's Laws have been experimentally verified

Answer

Newton's Laws are fundamental principles of classical physics

Question 30

Which of Newton's laws describes the relationship between an object's mass, acceleration, and the force applied to it?

Accepted Answer

Second Law

Answer

First Law

Answer

Third Law

Question 31

A ball is thrown vertically upwards. At its highest point, what is the ball's velocity and what Newton's law explains this?

Accepted Answer

The ball's velocity is zero, and this is explained by Newton's first law.

Answer

The ball's velocity is decreasing, and this is explained by Newton's first law.

Answer

The ball's velocity is changing, and this is explained by Newton's third law.

Answer

The ball's velocity is constant, and this is explained by Newton's second law.

Question 32

A person is standing on the floor. According to Newton's third law, what equal and opposite force does the floor exert on the person?

Accepted Answer

Normal force

Answer

Air resistance

Answer

Gravitational force

Answer

Friction force

Question 33

Which of the following is NOT a factor that directly affects the magnitude of friction between two surfaces?

Accepted Answer

Temperature

Answer

Contact area

Answer

Surface roughness

Answer

Normal force

Question 34

A car is traveling at a constant velocity. What does this tell us about the forces acting on the car?

Accepted Answer

The net force acting on the car is zero.

Answer

The car is not accelerating, so no forces are acting on it.

Answer

The force of friction is the only force acting on the car.

Answer

The force of gravity is the only force acting on the car.

Question 35

Which of the following is the standard unit of measurement for force?

Accepted Answer

Newton (N)

Answer

Second (s)

Answer

Meter (m)

Answer

Kilogram (kg)

Question 36

Which of Newton's laws explains why a ball thrown in the air eventually falls back to the ground?

Accepted Answer

Law of Universal Gravitation

Answer

Newton's Second Law

Answer

Newton's Third Law

Answer

Newton's First Law

Question 37

A gymnast performs a somersault. What force causes the gymnast to rotate?

Accepted Answer

Torque

Answer

Air Resistance

Answer

Gravity

Answer

Friction

Question 38

A runner is running at a constant velocity. Which of Newton's Laws explains why they continue to move at this velocity?

Accepted Answer

Newton's First Law of Motion (Inertia)

Answer

Newton's Third Law of Motion

Answer

Law of Universal Gravitation

Answer

Newton's Second Law of Motion

Question 39

A tennis player hits a ball. According to Newton's Third Law of Motion, what is the equal and opposite reaction force?

Accepted Answer

The force of the ball on the racquet

Answer

The force of gravity on the ball

Answer

The force of air resistance on the ball

Answer

The force of the ground on the player's feet

Question 40

A long jumper takes off from the ground. What is the primary factor affecting the length of their jump?

Accepted Answer

Horizontal velocity at take-off

Answer

Angle of take-off

Answer

Height of the jump

Answer

Air resistance

Question 41

A swimmer pushes off from the wall of the pool. How does this action relate to Newton's Third Law?

Accepted Answer

The swimmer exerts a force on the wall, and the wall exerts an equal and opposite force on the swimmer.

Answer

The water resistance provides an opposing force to the swimmer's movement.

Question 42

A weightlifter lifts a barbell. What is the relationship between the force exerted by the weightlifter and the weight of the barbell?

Accepted Answer

The weightlifter must exert a force equal to or greater than the weight of the barbell to lift it.

Answer

The force exerted by the weightlifter is always equal to the weight of the barbell, regardless of the lifting speed.

Answer

The force exerted by the weightlifter is always less than the weight of the barbell.

Question 43

A rugby player tackles an opponent. Which of the following factors influences the impact of the tackle?

Accepted Answer

The mass of both players and their combined velocity

Answer

The surface they are tackling on

Answer

The height of the players

Question 44

A cyclist is riding at a constant speed. What does this tell us about the forces acting on the cyclist?

Accepted Answer

The forces acting on the cyclist are balanced.

Answer

The forces acting on the cyclist are unbalanced.

Answer

The cyclist is not experiencing any forces.

Answer

The forces acting on the cyclist are changing over time.

Question 45

A basketball player jumps vertically. What force causes them to return to the ground?

Accepted Answer

Gravity

Answer

The force of the jump

Answer

The force of the ground on their feet

Answer

Air resistance

Question 46

An object at rest will remain at rest, and an object in motion will remain in motion at a constant velocity unless acted upon by an unbalanced force. This statement describes:

Accepted Answer

Newton's first law of motion

Answer

Newton's third law of motion

Answer

The law of conservation of momentum

Answer

Newton's second law of motion

Question 47

The acceleration of an object is directly proportional to the net force acting on the object, and inversely proportional to the mass of the object.

Accepted Answer

Newton's second law of motion

Answer

Newton's third law of motion

Answer

The law of conservation of momentum

Answer

Newton's first law of motion

Question 48

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

Accepted Answer

Newton's third law of motion

Answer

Newton's second law of motion

Answer

Newton's first law of motion

Answer

The law of conservation of momentum

Question 49

A 10 kg object is acted upon by a force of 20 N. What is the acceleration of the object?

Accepted Answer

2 m/s²

Answer

1 m/s²

Answer

5 m/s²

Question 50

A 50 kg person is standing on a scale in an elevator. The elevator is accelerating upwards at 2 m/s². What is the reading on the scale?

Accepted Answer

598 N

Answer

600 N

Answer

490 N

Answer

700 N

Question 51

Which of the following is NOT a factor that affects the force of friction?

Accepted Answer

The surface area of the two objects in contact

Answer

The coefficient of friction

Answer

The normal force between the two objects

Answer

The relative velocity of the two objects

Question 52

A car is travelling at a constant speed of 10 m/s. Which of the following forces is NOT acting on the car?

Accepted Answer

The force of gravity

Answer

The force of air resistance

Answer

The normal force from the ground

Answer

The force of friction

Question 53

A person is pushing a box across the floor. The box is moving at a constant velocity. Which of the following forces is acting on the box?

Accepted Answer

The force of friction

Answer

The force of air resistance

Answer

The normal force from the ground

Answer

The force of gravity

Question 54

A car is travelling around a bend in the road. Which of the following forces is causing the car to move in a circle?

Accepted Answer

The centripetal force

Answer

The force of gravity

Answer

The force of air resistance

Answer

The normal force from the ground