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?
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A: fig.1
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?
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