A solid cylinder is rolling down the inclined plane without slipping. Which of the following is/are correct ?

A solid cylinder is rolling down the inclined plane without slipping.

1.	A solid cylinder is rolling down the inclined plane without slipping. Which of the following is/are correct ?
Answer» The FRICTION force is DISSIPATIVE The friction force is NECESSARILY changing The friction force will AID rotation but hinder translation The friction force is reduced if `THETA` is reduced Answer :C::D