Q. A box is lying on an inclined plane what is the coefficient if static friction if the box starts sliding when an angle of inclination is $60{^\circ}$
A) 1.173
B) 1.732
C) 2.732
D) 1.677
Explanation
(b) $\mu = \tan{(Angle\ of\ repose)} = \tan{60{^\circ}} = 1.732$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.