Compare the amount of work done when one man uses an ideal pulley to lift a 500 newton weight 2 meters and one man lifts a 500 newton weight 2 by hand. Select one:
a. Depends on the number of pulleys.
b. More work is done when one man lifts the weight by hand.
c. More work is done when one man lifts the weight using a pulley.
d. The amount of of work is the same with or without the lifting pulley.