(A) : A disc released from the top of a fixed inclined plane rolls down without sliping if the inclined plane is rough only (R) : Friction does no work in pure rolling

(A) : A disc released from the top of a fixed inclined plane rolls dow

1.	(A) : A disc released from the top of a fixed inclined plane rolls down without sliping if the inclined plane is rough only (R) : Friction does no work in pure rolling
Answer» Both 'A' and 'R' are TRUE 'R' is the correct explanation of 'A' Both 'A' and 'R' are true 'R' is not the correct explanation of 'A' A' is true and 'R' is FALSE A' is false and 'R' are true Answer :B