Q.

A constant torque acting on a uniform circular wheel changes its angular momentum from A0to 4A0 in 4 seconds. The magnitude of this torque is-

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

3A0/4

b

A0

c

4A0

d

12A0

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

(A) ΔJ=4A0−A0=3A0 and ΔT=4∴τ=ΔJΔT=3A04
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
A constant torque acting on a uniform circular wheel changes its angular momentum from A0to 4A0 in 4 seconds. The magnitude of this torque is-