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Question: statics...

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StaticsProblem 8.89 A cable is attached to the 21-kg plate B, passes over a fixed peg at C, and is attached to the block at A. (Figure 1) Figure 1 of 1 0.2 0.3 30 Part A Using the coefficients of static friction shown, determine the smallest mass of block A so that it will prevent sliding motion of Bdown the plane. Express your answer to three significant figures and include the appropriate units. 2.22 kg Submit My Answers Give up incorrect; Try Again; 12 attempts remaining Provide Feedback

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