Angular Momentum and Rotational Motion Quiz

Test your knowledge on angular momentum, rotational motion, inertia, and more in our interactive quiz.

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A rotating object has angular momentum pointing in which direction?

Opposite to its axis of rotation.

Along its axis of rotation.

Perpendicular to its axis of rotation.

Toward its axis of rotation.

1 answered

Which of the following is a unit of angular momentum?

Joule

Newton

Kilogram meter per second

Watt

1 answered

If the net external torque acting on a system is zero, what can be said about the angular momentum of the system?

It decreases.

It remains constant.

It increases.

It becomes zero.

1 answered

Which of the following quantities is analogous to linear velocity in rotational motion?

Angular velocity

Torque

Moment of inertia

Angular momentum

1 answered

What is the unit of angular velocity?

Radians per second

Meters per second squared

Kilograms per meter

Newton-meters

1 answered

Which of the following is a correct statement about angular momentum?

Angular momentum is a scalar quantity.

Angular momentum depends on the point about which rotation occurs.

Angular momentum is conserved only in linear motion.

Angular momentum is not affected by rotational speed.

1 answered

Which of the following equations represents the correct relationship between torque (τ), moment of inertia (I), and angular acceleration (α)?

τ = I/α

τ = I * α

τ = α/I

τ = I + α

1 answered

Which of the following statements best describes the conservation of angular momentum?

Angular momentum is always conserved in any type of motion.

Angular momentum is only conserved in rotational motion with no external torque.

Angular momentum is conserved only in linear motion.

Angular momentum is conserved in both linear and rotational motion.

1 answered

What does the moment of inertia measure in rotational motion?

The amount of rotational force applied

The resistance of an object to angular acceleration

The speed of rotation

The distance from the axis of rotation to the point where force is applied

1 answered

#10

Which of the following is a valid expression for the angular momentum of a point mass rotating about an axis?

L = m * v

L = m * r

L = m * v * r

L = m * v^2

1 answered

#11

A spinning ice skater pulls her arms inward, causing her rotational speed to increase. What happens to her angular momentum?

It decreases.

It remains constant.

It increases.

It becomes zero.

1 answered

#12

In which scenario is angular momentum conserved?

When a force is applied to change the direction of motion

When a torque is applied to change the rate of rotation

When a body moves along a straight path

When there is friction between two surfaces

1 answered

#13

A wheel rotating about its axis has a constant angular velocity. If its radius is doubled, what happens to its angular momentum?

It doubles.

It quadruples.

It remains the same.

It becomes zero.

1 answered

#14

A solid disk and a ring, both having the same mass and radius, are rolled down an incline. Which object reaches the bottom first?

The disk

The ring

Both reach at the same time

It depends on the angle of the incline

1 answered

#15

A gyroscope maintains its orientation in space due to which principle of physics?

Newton's first law

Conservation of energy

Conservation of angular momentum

Archimedes' principle

1 answered

Angular Momentum and Rotational Motion Quiz

A rotating object has angular momentum pointing in which direction?

Which of the following is a unit of angular momentum?

If the net external torque acting on a system is zero, what can be said about the angular momentum of the system?

Which of the following quantities is analogous to linear velocity in rotational motion?

What is the unit of angular velocity?

Which of the following is a correct statement about angular momentum?

Which of the following equations represents the correct relationship between torque (τ), moment of inertia (I), and angular acceleration (α)?

Which of the following statements best describes the conservation of angular momentum?

What does the moment of inertia measure in rotational motion?

Which of the following is a valid expression for the angular momentum of a point mass rotating about an axis?

A spinning ice skater pulls her arms inward, causing her rotational speed to increase. What happens to her angular momentum?

In which scenario is angular momentum conserved?

A wheel rotating about its axis has a constant angular velocity. If its radius is doubled, what happens to its angular momentum?

A solid disk and a ring, both having the same mass and radius, are rolled down an incline. Which object reaches the bottom first?

A gyroscope maintains its orientation in space due to which principle of physics?

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