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Physics
Angular momentum is conserved
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Q. Angular momentum is conserved
NTA Abhyas
NTA Abhyas 2020
System of Particles and Rotational Motion
A
always
9%
B
never
3%
C
when external force is absent
22%
D
when external torque is absent
66%
Solution:
According to the law of conservation of angular momentum, if there is no external torque on the system, then the angular momentum remains constant.