Solve the each part of given questionquestion a 47 n block, Ask an Expert

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Solve the each part of given question:

Question: A 47 N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface and the block are 0.9 and 0.5, respectively. A horizontal string is attached to the block and a constant tension is maintained in the string.

Part A: What is the force of friction acting on the block if the tension is 12 N?

Part B: What is the force of friction acting on the block if the tension is 55 N?

Please give me an explanation for above questions.

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