defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Rotational Motion The Angular Momentum
A ring of mass m and radius R which is free to rotate about its axis, is at rest at t = 0. A constant force F is applied to it tangentially. What will be the angular momentum of the ring after t seconds?
1
mR2t
2
Ft
3
FRt
4
\(\frac{Ft}{R}\)