Asked by clariss
a 60-kg patient exercise on the treadmill, exerting a constant force of 500N while running at a constant velocity of 4 m/s at an angle of 30 for 5 minutes. the coefficient of kinetic friction of the treadmill os 0.45. determine the work done by the patient.
Answers
Answered by
drwls
The coefficient of kinetic friction has nothing to do with the work done. His shoes are not sliding on the treadmill.
Work = (Force exerted) x velocity x time
You don't need to know his mass or the angle of the ramp. Just the force.
The force required is a function of the slope and his weight, but they have already told you what the force is. So use it
Work = (Force exerted) x velocity x time
You don't need to know his mass or the angle of the ramp. Just the force.
The force required is a function of the slope and his weight, but they have already told you what the force is. So use it
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