H.W. A cable is attached to the 20-kg plate B, passes over a fixed peg at C, and is attached to the block at A. Using the coefficients of static friction shown, determine the smallest mass of block A so that it will prevent sliding motion of B down the plane. PA=0.2 HB=0.3 30°

H.W. A cable is attached to the 20-kg plate B, passes over a fixed peg at C, and is attached to the block at A. Using the coefficients of static friction shown, determine the smallest mass of block A so that it will prevent sliding motion of B down the plane. PA=0.2 HB=0.3 30°

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 7.19P: The 3600-lb car with rear Wheel drive is attempting to tow the 4500-lb crate. The center of gravity...

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Question

H.W. A cable is attached to the 20-kg plate B,
passes over a fixed peg at C, and is attached to the
block at A. Using the coefficients of static friction
shown, determine the smallest mass of block A so
that it will prevent sliding motion of B down the
plane.
HA=0,2
HB=0.3
30°

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