Answer to Question #260270 in Mechanics | Relativity for jbg

Mechanics | Relativity

Question #260270

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 ?

Expert's answer

"f_r=\\mu N"

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

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

Energy goes into heat due to friction

CAL

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