The 180-lb man climbs up the ladder and stops at the position shown after he senses that
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The 180-lb man climbs up the ladder and stops at the position shown after he senses that the ladder is on the verge of slipping. Determine the inclination ? of the ladder if the coefficient of static friction between the friction pad A and the ground is ?s = 0.4. Assume the wall at B is smooth. The center of gravity for the man is at G. Neglect the weight of the ladder.
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FreeBody Diagram Since the weight of the man tends to cause the friction pad A ...View the full answer
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