Q 1219801710.     A horizontal force `F` pulls a `20`-kg carton across the floor at constant speed.If the coefficient of sliding friction between carton and floor is `0.60`,how much work does `F` do in moving the carton `3.0`m?

A

`353` J

B

`253` J

C

`153` J

D

`453` J

HINT

`W =Fx`
0
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