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.