Home
Class 11
PHYSICS
A constant torque acting on a uniform ci...

A constant torque acting on a uniform circular changes its angular momentum from `A_(0)` to `4A_(0)` in 4 seconds. The magnitude of the torque is:

A

`(3A)/(4)`

B

`(A)/(4)`

C

`(2A)/(3)`

D

`(3A)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A constant torque acting on a uniform circular wheel changes its angular momentum from A_(0) to 4 A_(0) in 4 seconds. Find the magnitude of this torque.

A constant torque acting on a uniform circular wheel changes its angular momentum from A_(0) to 2A_(0) in 1s . The magnitude of this torque is

The angular momentum changes from 4 unit to 10 unit in 2 seconds. The torque is

The angular momentum of a rotating body changes from A_(0) to 4 A_(0) in 4 min. The torque acting on the body is

What is the torque acting on a body moving with constant angular velocity ?

What is the torque acting on a body moving with constant angular velocity ?

A torque of 5Nm is applied on a particle for 2 seconds, calculate the change in its angular momentum.

A torque of 5Nm is applied on a particle for 2 seconds, calculate the change in its angular momentum.

Assertion: For the plantes orbiting around the sun, angular speed, linear speed, K.E. changes with time, but angular momentum remains constant. Reason: No torque is acting on the rotating planet. So its angular momentum is constant.

Total angular momentum of a rotating body remains constant, if the net torque acting on the body is