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10b.4 A 5-kg block is at rest o 60 N to the right, F2 the left is at rest on a frictional floor. The coefficient of static friction - 15 N to the left. What is the frictional force? lAnswer: 40 N be block and the floor is 0.8. Two horizontal forces are acted on the block: Fi

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Answer #1

The frictional force is, (0.8)(5 kg) (9.8 m/s) 39.2 N -40 N (one significant digit)

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