Problem: The uniform 50lb ladder in Fig. below rests against the smooth Wall at B and the end A rests on the rough horizontal plane. A 150 lb man starts to climb the ladder. Determine the distance X from the man to the wall when the ladder starts to slip. The coefficient of static friction is 0.30. M 150lb RB 50lb A 10 A 10 N 24 26 24

Problem: The uniform 50lb ladder in Fig. below rests against the smooth Wall at B and the end A rests on the rough horizontal plane. A 150 lb man starts to climb the ladder. Determine the distance X from the man to the wall when the ladder starts to slip. The coefficient of static friction is 0.30. M 150lb RB 50lb A 10 A 10 N 24 26 24

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 7.81P: Calculate the horizontal force P required to push the 85-lb lawn mower at constant speed. The center...

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