A worker uses an inclined plane to do the work of moving a wheelbarrow load up to a higher level rather than lifting the wheelbarrow load straight up. Which of the following choices best describes his decision to use an inclined plane?
OA. He uses the same effort force, but moves the wheelbarrow the same distance.
OB. He uses less effort force, but has to move the wheelbarrow a greater distance,
OC
He uses less effort force, and is able to move the wheelbarrow the same distance.
OD
He uses more force, but moves the wheelbarrow over a shorter distance.