question_answer

A block has been placed on an inclined plane. The slope angle 6 of the plane is such that the block slides down the plane at a constant speed. The coefficient of kinetic friction is equal to

A) \[\sin \,\,\theta \]

B)  \[\cos \,\,\theta \]

C)  \[g\]

D)  \[\tan \,\,\theta \]