A rolling body of mass `m=4 kg`, radius `R` and radius of gyration `k=R//sqrt(3)` is placed as a plank which moves with an acceleration `a_(0) =1 ms^(-2)`. Find the frictional force acting on body if it rolls without sliding. (in `N`).

A body of mass 2 kg is placed in a rough surface. When a force of 60 N is applied on it, it starts moving with an acceleration of 15m//s^2 . Find the friction force acting on it.

( a ) A rigid body of radius of gyration k and radius R rolls without slipping down a plane inclined at an angle theta with the horizontal. Calculate its acceleration and the frictional force acting on it. ( b ) If the body be in the form of a disc and theta=30^(@) , what will be the acceleration and the frictional force acting on it.

( a ) A rigid body of radius of gyration k and radius R rolls without slipping down a plane inclined at an angle theta with the horizontal. Calculate its acceleration and the frictional force acting on it. ( b ) If the body be in the form of a disc and theta=30^(@) , what will be the acceleration and the frictional force acting on it.

A body of mass 'm' and radius of gyration 'K' is rotating with angular acceleration a. Then the torque acting on the body is

On the horizontal surface of plank a block of mass 1 kg is placed (mu=0.6) which is stationary w.r.t. plank. Plank is moving with acceleration 5 m//s^(2) , then the frictional force on the block will be

A rigid body of radius R and radius of gyration k rolls without slipping along a horizontal plane. Then, the ratio of its rotational energy to total energy is

A tangential force F acts at the top of a thin spherical shell of mass m and radius R . Find the acceleration of the shell if it rolls without slipping.

A tangential force F acts at the top of a thin spherical shell of mass m and radius R . Find the acceleration of the shell if it rolls without slipping.

A tangential force F acts at the top of a thin spherical shell of mass m and radius R . Find the acceleration of the shell if it rolls without slipping.

A tangential force F acts at the top of a thin spherical shell of mass m and radius R . Find the acceleration of the shell if it rolls without slipping.