2. 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 e of the ladder if the coefficient of static friction between the friction pad A and the ground is u, = 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.

2. 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 e of the ladder if the coefficient of static friction between the friction pad A and the ground is u, = 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.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.17P: The two uniform sheets of plywood, each of length L and weight W, are propped as shown. If the...

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