Question

Barry used a ramp to transport a load to a loading truck. The ramp made the work easier by...

A. increasing the size of the input force.

B. reducing the input force to zero.

C. changing the distance over which the input force was exerted.

D. reducing the output force to zero.

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Answer 1

Answer:57.1%

ExplanationEnergy input

Answer 2

The ramp would neither increase the size of input force, nor decrease the input/output force to zero, so the only answer left would be c) changing the distance over which the input force was exerted.