Explain how graphs of weight versus normal force in procedures A and B give the coefficients...

Question

Question

Explain how graphs of weight versus normal force in procedures A and B give the coefficients of friction.

Answer 1

Answer #1

friction force $F=\mu N$

there is no vertical movement so weight=normal force

when $F<\mu N$ it will not move. friction force is increased with increased applied force linearly before reach the maximu static friction

within that region, can find the coeffiecent by $\mu= N/F$ here N=W

Answer 2

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