2013Rotational MotionHard
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 :-


Options
A.

B.

C.g/L
D.2g/L
More Rotational Motion Questions
By the theorem of perpendicular axes, if a body be in X-Z-plane then :-...Rate of change of angular momentum with respect to time is proportional to : -...Three spools A, B and C are placed on rough ground and acted by equal force F. Then which of the following statement is ...The figure shows a uniform rod lying along the x-axis. The locus of all the points lying on the xy-plane, about which th...If the earth were to suddenly contract to th of its present radius without any change in its mass then the duration of t...

