A student wants to use a ramp to move boxes into a truck bed that is 3 m high. He has a choice of 2 different ramps. The length of one ramp is 4m, and the length of
the other ramp is 6m.
A. 6m, because he has to apply more force over a greater distance.
B. 4m, because he has to apply less force over a greater distance
C. 6m, because he has to apply less force over a greater distance.
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D.
4m, because he has to apply more force over a greater distance