Asked by lauren
a coin rests on a book. the book tilts until the coin just begins to move. the angle is 17 degrees. what is the coefficient of static friction?
Answers
Answered by
drwls
When the coin starts to slip, the friction force mu*cos17*M*g
is equal to the component of the weight down the incline, M*g sin 17.
Solve for mu, the coefficient of statice friction. The M (mass)and g (acceleration of gravity) terms will cancel out.
is equal to the component of the weight down the incline, M*g sin 17.
Solve for mu, the coefficient of statice friction. The M (mass)and g (acceleration of gravity) terms will cancel out.
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