List of top Physics Questions on System of Particles & Rotational Motion asked in BCECE

If the moment of inertia of a disc about an axis tangential and parallel to its surface be $I$, then what will be the moment of inertia about the axis tangential but perpendicular to the surface?

A solid sphere rolls down two different inclined planes of same height, but of different inclinations. In both cases

If linear density of a rod of length 3 m varies as $ \lambda =2+x, $ then the position of the centre of gravity of the rod is:

If torque is zero then:

A solid sphere, a hollow sphere and a disc having same mass and radius roll down the same inclined plane from rest. Which one will reach the ground in least time?