Question

A boy is rotating a stone in a circular orbit , calculate the work done by tension (centripetal force) in rotating the stone​.

Answer 1

Answer:

Explanation:

here tension is acting as centripetal force, so

T=mv^2/r

W= f× s

W=mv^2/r × 2$\pi$r

W=2mv^2$\pi$

hope it helps..