A block rests on a rough incline that is slowly raised until the block just starts to…
PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion
Problem
A block rests on a rough incline that is slowly raised until the block just starts to slide. If the coefficient of static friction between the block and the surface is 0.40, what is the smallest angle the incline must reach before the block begins to move?
(a) 14∘
(b) 24∘
(c) 22∘
(d) 66∘