8-89. 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. Hc = 0.3 HA = 0.2 HB = 0.3 B 30°

8-89. 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. Hc = 0.3 HA = 0.2 HB = 0.3 B 30°

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

8-89. 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.
Hc = 0.3
A
PA = 0.2
HB = 0.3
B.
30°
Prob. 8-89

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