Cousin Milty, aged 93 and of mass 70.0 kg, pulls a 40.0 kg carton of books along his livingroom floor. Consider a period of time during which he pulls the carton at a constant speed of 0.500 m/s, through a distance of 4.00 m along a straight line, while applying a constant force of 200 N directed 30 degrees above the horizontal. Calculate:(a) The work done on the carton by Cousin Milty equals(b) The work done on the carton by the floor’s normal contact force(c) The work done on the carton by the force of gravity
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