Question

9. A uniform ladder of length 10 m rests against a smooth vertical wall.
The lower end of the ladder is at a distance of 8 m from the wall. How
far up a man weighting 60 kg can go up the ladder before it starts
slipping. if the weight of the ladder is 40 kg and the coefficient of
friction between ladder and ground is 0-4.​

Answer 1

Answer:

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