One end of a uniform ladder rests against a smooth vertical wall and the other end is on rough ground. A man of 80-kg weight stands on the ladder at (1)/(4)th up its lengt. Angle of theladder with the horizontal is 30^(@) . Find the reaction of thewall and the coefficient of friction betweenthe ladder and theground. The mass of the ladder is 40 kg.

One end of a uniform ladder rests against a smooth vertical wall and t

1.	One end of a uniform ladder rests against a smooth vertical wall and the other end is on rough ground. A man of 80-kg weight stands on the ladder at (1)/(4)th up its lengt. Angle of theladder with the horizontal is 30^(@) . Find the reaction of thewall and the coefficient of friction betweenthe ladder and theground. The mass of the ladder is 40 kg.
Answer» ANSWER :678.96 N, `(1)(SQRT(3))`