A mass $m$ hangs with the help of a string wrapped around a pulley on a firctionless bearing. The pulley has mass $m$ and radius $R$. Assuming pulley to be a perfect uniform circular disc, the acceleration of the mass $m$, if the string does not slip on the pulley, is:-
A mass $m$ hangs with the help of a string wrapped around a pulley on a firctionless bearing. The pulley has mass $m$ and radius $R$. Assuming pulley to be a perfect uniform circular disc, the acceleration of the mass $m$, if the string does not slip on the pulley, is:-
- A
$\frac{2}{3} g$
- B
$\frac{g}{3}$
- C
$\frac{3}{2} g$
- D
$g$
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