Farmer Jones must move ten bales of cotton to the loft in his barn. He hooked up a pulley system to raise the bales but no matter how hard he pulled, he could not lift the bales to the height required. What comment would you make regarding Farmer Jones's solution?
A) He should use one fixed pulley.
B) He should consider some way to reduce friction.
C) He should push the bales up an inclined plane or ramp.
D) He should use a larger pulley system with additional support ropes.