A body is sliding down an inclined plane of coefficient of friction 0.5. If the normal reaction is twice that of resultant downward force along the incline, find the angle between the inclined plane and the horizontal.

A body is sliding down an inclined plane of coefficient of friction 0.

1.	A body is sliding down an inclined plane of coefficient of friction 0.5. If the normal reaction is twice that of resultant downward force along the incline, find the angle between the inclined plane and the horizontal.
Answer» SOLUTION :`45^(@)`