A block rests on a rough wooden plank that is slowly tilted from the horizontal
PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A block rests on a rough wooden plank that is slowly tilted from the horizontal. Explain how (i) the normal reaction and (ii) the limiting static friction acting on the block vary as the angle of inclination is increased from 0∘ to 90∘.