The combination of rotational motion and the translation motion of a rigid body is known as rolling motion.

The kinetic energy associated with a body rolling is the sum of the translational and rotational kinetic energies, i.e., K.E of rolling

rolling motion

  • When a body rolls down an inclined plane (θ) without slipping, the velocity on reaching the ground is,

Where h is the vertical height of inclined plane and K is the radius of gyration of the rolling body.

  • The acceleration of a body rolling down an inclined plane is given by

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