How does using a ramp to load boxes into a truck make work easier?
A. Using the ramp increases the amount of force needed to move the boxes, but the boxes must be moved over a shorter distance.
B. Using the ramp increases the amount of force needed to move the boxes, but the boxes must be moved over a longer distance.
C. Using the ramp decreases the amount of force needed to move the boxes, but the boxes must be moved over a shorter distance.
D. Using the ramp decreases the amount of force needed to move the boxes, but the boxes must be moved over a longer distance.
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