PROBLEM 12.31 A 10-1b block B rests as shown on a 20-ls bracket A. The coefficients of friction are 4, =0.30 and , =0.25 between block B and bracket A, and there is no friction in the pulley or between the bracket and the horizontal surface. (a) Determine the maximum weight of block C if block B is not to slide on bracket A. (b) If the weight of block C is 10% larger than the answer found in a determine the accelerations of A, B and C.
PROBLEM 12.31 A 10-1b block B rests as shown on a 20-ls bracket A. The coefficients of friction are 4, =0.30 and , =0.25 between block B and bracket A, and there is no friction in the pulley or between the bracket and the horizontal surface. (a) Determine the maximum weight of block C if block B is not to slide on bracket A. (b) If the weight of block C is 10% larger than the answer found in a determine the accelerations of A, B and C.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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