question_answer

When a body is placed on a rough plane inclined at an angle \[\theta \] to the horizontal, its acceleration is            

A)                         \[g(\sin \theta -\cos \theta )\]            

B)                           \[g(\sin \theta -\mu \cos \theta )\]            

C)                         \[g(\mu \sin \theta 1-\cos \theta )\]                   

D)                         \[g\mu (\sin \theta -\cos \theta )\]