Answer to Question #290964 in Physics for she

Question #290964

A block rest on a horizontal board. the board is gradually tilted upward and the block just




begin to slide when the angle of inclination is 21°,




a. Find the coefficient of static friction between the block and the board

1
Expert's answer
2022-01-26T17:45:49-0500

The coefficient of friction is


"\\mu=\\tan\\theta=\\tan21\u00b0=0.38"


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