BLOCK A WITH WEIGHT EQUAL TO 100 N, RESTS ON BLOCK B OF NEGLIGIBLE WEIGHT. THE COEFFICIENT OF STATIC FRICTION Hs IS THE SAME AT BOTH SURFACES OF THE BLOCKS, AND THE FRICTION BETWEEN BLOCK A AND THE VERTICAL WALL MAY BE NEGLECTED. FOR P = 50 N, DETERMINE THE VALUE OF Hs FOR WHICH MOTION IS IMPENDING. W = 100 N A 15° В P = 50 N

BLOCK A WITH WEIGHT EQUAL TO 100 N, RESTS ON BLOCK B OF NEGLIGIBLE WEIGHT. THE COEFFICIENT OF STATIC FRICTION Hs IS THE SAME AT BOTH SURFACES OF THE BLOCKS, AND THE FRICTION BETWEEN BLOCK A AND THE VERTICAL WALL MAY BE NEGLECTED. FOR P = 50 N, DETERMINE THE VALUE OF Hs FOR WHICH MOTION IS IMPENDING. W = 100 N A 15° В P = 50 N

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 7.66P: The blocks A and B of weights WA and WB are joined by a rope that passes over the fixed peg C. The...

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