Ana E.

asked • 11/30/19

need help with physics

You are asked to pull a 120.0 kg crate at a constant velocity across a level concrete floor with an effective kinetic coefficient of friction = 0.7 . How much work will you need to do to pull the crate 15.00 m?

a) 18000 J

b) 15340 J

I got 17640 J but that's incorrect.

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