defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Physics Rotational Motion The Angular Momentum
If the angular momentum of a system of particles is constant, which of the following statements must be true?
1
A constant torque is acting on the system
2
Atleast one torque must be acting on the system
3
No force is acting at any point in the system
4
The net torque on the system is zero