(A) : A disc released from the top of a fixed inclined plane rolls down without slipping 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 slipping if the inclined plane is rough only (R ) : Friction does no work in pure rolling
Answer» Both 'A' and 'R' and true and 'R' is the correct explantation of 'A' Both 'A' and 'R' and true and 'R' is notthe correct explantation of 'A' A' is true and 'R' is FALSE A' is false and 'R' is true Answer :B