A stone of mass m tied to a string of length l is rotating along a circular path with…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A stone of mass m tied to a string of length l is rotating along a circular path with constant speed v. The torque on the stone is:
- m v l
- m v/l
- m v2/l
- zero
Answer
(D) zero
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