Table of Contents

- 1 How does torque affect angular acceleration?
- 2 Does torque affect moment of inertia?
- 3 Is angular acceleration affected by mass?
- 4 Is angular momentum conserved in circular motion?
- 5 How can I calculate torque?
- 6 What happens when a torque is applied to an object?
- 7 Which is correct net torque or net torque?

## How does torque affect angular acceleration?

If more than one torque acts on a rigid body about a fixed axis, then the sum of the torques equals the moment of inertia times the angular acceleration: ∑ i τ i = I α . Thus, if a rigid body is rotating clockwise and experiences a positive torque (counterclockwise), the angular acceleration is positive.

**How does the net torque on an object affect its angular momentum?**

The causality equation says that if you apply a (unbalanced) torque, the object must change its angular momentum, resulting in angular acceleration. The torque is applied in the same direction as the initial angular momentum, causing the magnitude of the angular momentum to increase without changing its direction.

### Does torque affect moment of inertia?

When a torque is applied to an object it begins to rotate with an acceleration inversely proportional to its moment of inertia. This relation can be thought of as Newton’s Second Law for rotation. The moment of inertia is the rotational mass and the torque is rotational force.

**What is net torque?**

The net torque is the sum of the individual torques. Rotational Equilibrium is analogous to translational equilibrium, where the sum of the forces are equal to zero.

#### Is angular acceleration affected by mass?

Angular acceleration is inversely proportional to mass.

**What is the relationship between torque and angular velocity?**

The instantaneous power of an angularly accelerating body is the torque times the angular velocity: P=τω P = τ ω . There is a close relationship between the result for rotational energy and the energy held by linear (or translational) motion.

## Is angular momentum conserved in circular motion?

The uniform circular motion is characterized by constant speed. Hence, speed is conserved. The particle has constant angular velocity (ω) and constant moment of inertia (I) about the axis of rotation. Hence, angular momentum (Iω) is conserved.

**What is the formula of torque in terms of moment of inertia?**

Answer: The torque can be found using the torque formula, and the moment of inertia of a solid disc. The torque is: τ = Iα τ = 0.0020 N∙m. The torque applied to one wheel is 0.0020 N∙m.

### How can I calculate torque?

A practical way to calculate the magnitude of the torque is to first determine the lever arm and then multiply it times the applied force. The lever arm is the perpendicular distance from the axis of rotation to the line of action of the force. and the magnitude of the torque is τ = N m.

**How is angular acceleration related to net applied torque?**

According to Newton’s second law, the angular acceleration experienced by an object is directly proportional to: a. its moment of inertia. b. the net applied torque. c. the object’s size. d. choices a and b above are both valid.

#### What happens when a torque is applied to an object?

If a net torque is applied to an object, that object will experience which of the following? (A net torque means a net torque that is NOT 0!) Which of the following statements is correct?

**What is the relation between torque and moment of inertia?**

This relation can be thought of as Newton’s Second Law for rotation. The moment of inertia is the rotational mass and the torque is rotational force. Angular motion obeys Newton’s First Law. If no outside forces act on an object, an object in motion remains in motion and an object at rest remains at rest.

## Which is correct net torque or net torque?

(A net torque means a net torque that is NOT 0!) Which of the following statements is correct? The closer the force is to the axis of rotation, the easier it is to rotate the object. The closer the force is to the axis of rotation, the more torque that is produced.