Homework Help: physics

Posted by yumi on Friday, March 2, 2012 at 12:40am.

a medtech student pushes a 30kg carton of books across the floor of her dormitory by exerting a constant force of 185 N at an angle of 37 degrees with the horizon. If the opposing force of friction is 70 N, how much work does she do as she moves the carton 4 m in 15 s? What power in watts has she exerted?

physics - drwls, Friday, March 2, 2012 at 5:12am
Is the angled force applied above or below horizontal? It makes a difference

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