A uniform ladder long

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

A uniform ladder

5\,\text{m}

long, weighing

300\,\text{N}

, rests with its upper end against a smooth vertical wall and its lower end on a rough horizontal floor. The ladder makes an angle of

60^{\circ}

with the floor and is just on the point of slipping. What is the minimum coefficient of static friction between the ladder and the floor? (a)

0.50

(b)

0.58

(c)

0.29

(d)

0.25