Question

A body of mass 100 g is rotating in a circular path of radius r with constant velocity. The work done in one complete revolution is

• A. $100rJ$
• B. $\left(\frac{r}{100}\right)J$
• C. $\left(\frac{100}{r}\right)J$
• D. Zero

Answer 1

The correct option is D

Zero

Work done in circular motion is always zero.