Rotational Motion: JEE Main 2011 Physics question

JEE Main 2011 · Annual, Paper 1 · Q8066

JEE Main 2011Annual, Paper 1PhysicsMediumRotational Motion140× since 2002

A mass

m

hangs with the help of a string wrapped around a pulley on a frictionless 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:

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JEE Main 2011 Rotational Motion Question with Solution (Annual Paper 1, Q8066) | JEE Arc