Asked by Isabelle
a 65 kg bag is dragged along a 12m ramp in order to get from the ground to the floor of the loading dock 2m above the ground. determine the efficiency of of the ramp.
I don't understand how to the find the energy output and input.
I don't understand how to the find the energy output and input.
Answers
Answered by
Isabelle
oh and frictional force acting on the bag is 50N
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