Question

A rod PQ of mass M and length L is hinged at end P. The
rod is kept horizontal by a massless string tied to point Q as
shown in figure. When string is cut, the initial angular
acceleration of the rod is [2013]
(a) g /L (b) 2g/L
(c) 2g/3L (d) 3g/2L

Answer 1

Answer:

(d) 3g/2L

OK thanks for this hope

Answer 2

Answer:

(b) 2g/L

hope it helps.......