Newton's Laws of Motion: Interactive Learning Quizzes for University Students

Question 1

Define motion as it pertains to an object's position.

Accepted Answer

An object's velocity relative to a reference point is changing.

Answer

An object is stationary.

Answer

An object is moving at a consistent velocity.

Answer

An object is moving solely in a straight path.

Question 2

Which of Newton's laws describes an object's tendency to resist changes in its state of motion unless acted upon by an external force?

Accepted Answer

First Law

Answer

Second Law

Answer

Third Law

Answer

Law of Universal Gravitation

Question 3

A 5 kg block rests on a surface without friction. A force of 10 N is applied to the block. What is its resulting acceleration?

Accepted Answer

1 m/s²

Answer

0.5 m/s²

Answer

2 m/s²

Answer

5 m/s²

Question 4

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Mass

Answer

Temperature

Answer

Time

Question 5

A car collides with a stationary object of equal mass. Assuming no external forces act on the system, what is the total momentum of the combined system after the collision?

Accepted Answer

Zero

Answer

Equal to the initial momentum of the car

Answer

Equal to twice the initial momentum of the car

Answer

Cannot be determined from the given information

Question 6

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

Accepted Answer

True

Answer

False

Question 7

A projectile thrown vertically upward will reach its maximum height when its velocity becomes zero.

Accepted Answer

True

Answer

False

Question 8

Force is a vector quantity, which means it has both magnitude and direction.

Accepted Answer

True

Answer

False

Question 9

Which of the following is NOT a fundamental force?

Accepted Answer

Frictional force

Answer

Gravitational force

Answer

Electromagnetic force

Answer

Strong nuclear force

Question 10

According to Newton's third law of motion, the action and reaction forces are:

Accepted Answer

Equal in magnitude and opposite in direction

Answer

Unequal in magnitude and opposite in direction

Answer

Equal in magnitude and the same in direction

Answer

Unequal in magnitude and the same in direction

Question 11

Which of the following is a vector quantity?

Accepted Answer

Acceleration

Answer

Distance

Answer

Speed

Answer

Mass

Question 12

What is the SI unit of force?

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 13

A car is traveling at a speed of 30 km/h or 8.33 m/s when the driver applies the brakes. The car comes to a stop in 5 seconds. What is the average acceleration of the car?

Accepted Answer

-3 m/s²

Answer

-2 m/s²

Answer

-6 m/s²

Answer

-10 m/s²

Question 14

The gravitational force between two objects is proportional to:

Accepted Answer

The product of their masses

Answer

The sum of their masses

Answer

The difference of their masses

Answer

The square of their masses

Question 15

Which of the following is not a fundamental type of force?

Accepted Answer

Rest force

Answer

Gravitational force

Answer

Magnetic force

Answer

Electrostatic force

Question 16

Under which condition is the momentum of an object conserved?

Accepted Answer

When no external forces act on the object

Answer

When the object is acted upon by a constant force

Answer

When the object is in equilibrium

Question 17

Identify the physical quantity that is a vector.

Accepted Answer

Acceleration

Answer

Speed

Answer

Temperature

Question 18

Which of the following is the SI unit of force?

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Question 19

Momentum is a vector quantity defined as the product of:

Accepted Answer

Mass and velocity

Answer

Force and time

Answer

Energy and displacement

Answer

Acceleration and mass

Question 20

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

Accepted Answer

Directly proportional to the force acting on the object

Answer

Inversely proportional to the mass of the object

Answer

Independent of the velocity of the object

Answer

Equal to the change in momentum per unit time

Question 21

The third law of motion states that for every action, there is an:

Accepted Answer

Equal and opposite reaction

Answer

Equal and parallel reaction

Answer

Unequal and opposite reaction

Answer

Unequal and parallel reaction

Question 22

Which of the following is NOT a factor that affects the acceleration of an object?

Accepted Answer

Shape of the object

Answer

Mass of the object

Answer

Force applied to the object

Answer

Coefficient of friction between the object and the surface

Question 23

A car with a mass of 1200 kg is moving at a speed of 20 m/s. If the car applies a braking force of 2000 N, what is its acceleration?

Accepted Answer

1.67 m/s²

Answer

0.5 m/s²

Answer

1 m/s²

Answer

2 m/s²

Question 24

Newton's laws of motion are valid within the framework of:

Accepted Answer

Galilean relativity

Answer

Special relativity

Answer

General relativity

Answer

Quantum mechanics

Question 25

Which of Newton's laws describes how an object's momentum changes when a force is applied?

Accepted Answer

Second law

Answer

First law

Answer

Third law

Question 26

Inertia is best illustrated by which of the following examples?

Accepted Answer

A car continuing to move forward after the driver releases the accelerator

Answer

A ball rolling down a hill

Answer

A person jumping up and down

Question 27

The SI unit of force is the:

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Question 28

Explain the fundamental difference between mass and weight.

Accepted Answer

Mass is a measure of an object's resistance to acceleration, while weight is a measure of the gravitational force acting on it.

Answer

Weight is a measure of an object's resistance to acceleration, while mass is a measure of the gravitational force acting on it.

Answer

Mass and weight are the same thing.

Question 29

Express Newton's second law in its vector form.

Accepted Answer

F = m * a

Answer

F = m * v

Answer

F = m * t

Question 30

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

Accepted Answer

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

Answer

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

Answer

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

Answer

The momentum of an object is conserved in the absence of external forces.

Question 31

Which of the following is NOT a unit of force?

Accepted Answer

Joule (J)

Answer

Newton (N)

Answer

Pound-force (lbf)

Answer

Kilogram-force (kgf)

Question 32

The force of friction always acts:

Accepted Answer

Opposite to the direction of motion (acts as a resistive force)

Answer

In the direction of motion

Answer

Perpendicular to the direction of motion

Answer

Equal to the applied force

Question 33

A constant force of 5 N is applied to a mass of 2 kg for 10 seconds. Determine the change in momentum of the mass?

Accepted Answer

50 kg m/s

Answer

10 kg m/s

Answer

100 kg m/s

Answer

500 kg m/s

Question 34

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

Accepted Answer

Second law

Answer

First law

Answer

Third law

Answer

Law of universal gravitation

Question 35

The work done by a force is defined as:

Accepted Answer

The distance moved by the object in the direction of the applied force

Answer

The magnitude of the force applied to the object

Answer

The change in kinetic energy of the object

Answer

The time taken for the force to act on the object

Question 36

Which of the following is a vector quantity?

Accepted Answer

Speed

Answer

Distance

Answer

Mass

Answer

Volume

Question 37

Which of the following is a key concept NOT covered in this unit?

Accepted Answer

Friction

Answer

Inertia

Answer

Momentum

Answer

Force

Question 38

According to Newton's first law of motion, an object will remain at rest or in uniform motion unless acted upon by an external force. What is this phenomenon known as?

Accepted Answer

Inertia

Answer

Momentum

Answer

Equilibrium

Answer

Gravity

Question 39

The momentum of an object is defined as:

Accepted Answer

Mass multiplied by speed

Answer

Mass multiplied by acceleration

Answer

Force multiplied by speed

Answer

Acceleration multiplied by time

Question 40

Which of the following is an example of a non-contact force?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Normal force

Question 41

Which of the following is NOT an assumption of Newton's laws of motion?

Accepted Answer

Objects have negligible mass

Answer

Forces act instantaneously

Answer

Motion occurs in a vacuum

Answer

Time is absolute

Question 42

A car of mass 1500 kg moves at a constant velocity of 30 m/s. What is the net force acting on the car?

Accepted Answer

0 N

Answer

3000 N

Answer

4500 N

Answer

6000 N