A 5 m ladder of mass 25 kg is placed in a position where its inclination to a vertical wall is at 30o. A 100 kg man is to climb the ladder. If the coefficient of static friction is 0.25 the height along ladder at which the slipping will be induced would be

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0.8 m

A 5 m ladder of mass 25 kg is placed in a position where its inclination to a vertical wall is at 30o. A 100 kg man is to climb the ladder. If the coefficient of static friction is 0.25 the height along ladder at which the slipping will be induced would be

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