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Answer to Question #135514 in Mechanics | Relativity for Rhaven

Question #135514

A 100-N piano is moved 20 m across a floor by a horizontal force of 35 N. Find the coefficient of friction. What happens to the energy ?


1
Expert's answer
2020-10-01T11:23:12-0400

"f_r=\\mu N"

"\\mu=\\frac{f_r}{N}"


"=\\frac{35}{100}=0.35"

Energy goes into heat due to friction

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