Question

A circular disc of mass ${}^{\prime }2m^{\prime }$ and radius ${}^{\prime }{R}^{\prime }$, is hinged at centre. A long string is wound over this disc and a body of mass ${}^{\prime }{m}^{\prime }$ is attached at its free end. Now the body is released. Find acceleration of this body.

• A. $\frac{g}{2}$
• B. $g$
• C. $2g$
• D. $\frac{g}{4}$

Answer 1

The correct option is A $\frac{g}{2}$