Asked by mer

How much work must be done to roll a metal safe, mass 116 kg, a distance of 15.0 m across a level floor? The coeffecient of friction is 0.050.
Answered by drwls
Work = Force * distance = m g mu X

Just multiply your three numbers together, along with g = 9.8 m/s^2. The answer will be in Joules.
"mu" is the coefficient of friction (0.05). It should be the Greek lower case letter, but I can't type it here.
Answered by mitchy
852.6J
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