To measure the static friction coefficient between a 1.8 -kg block and a vertica

Question

To measure the static friction coefficient between a 1.8-kg block and a vertical wall, the setup shown in the drawing is used. A spring (spring constant = 475 N/m) is attached to the block. Someone pushes on the end of the spring in a direction perpendicular to the wall until the block does not slip downward. The spring in such a setup is compressed by 0.075 m. What is the coefficient of static friction?

To measure the static friction coefficient between a 1.8-kg block and a vertical wall, the setup shown in the drawing is used. A spring (spring constant = 475 N/m) is attached to the block. Someone pushes on the end of the spring in a direction perpendicular to the wall until the block does not slip downward. The spring in such a setup is compressed by 0.075 m. What is the coefficient of static friction?

Explanation / Answer

*N = 1.8*9.8

N = .075*475

so, = 0.495

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