A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an angle of 350 with the horizontal. It starts to slip when a man weighing 75 kg has climbed halfway up. f = 0.20 at the wall.
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A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an angle of 350 with the horizontal. It starts to slip when a man weighing 75 kg has climbed halfway up. f = 0.20 at the wall.
8) What is the normal force at the top of the ladder in contact with the wall in kg?
9) ) What is the normal force at the bottom of the ladder in contact with the floor in kg?
10) What is the coefficient of friction at the floor in three decimal places?
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