Assertion : A solid sphere cannot roll without slipping on smooth horizontal surface
Reason : If the sphere is left free on smooth inclined surface. It cannot roll without slipping.
A. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion
B. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
C. If Assertion is true but Reason is fasle
D. If Assertion is false but Reason is true