2. A pulley system has two pulleys on the bottom block. A load of 1000N is hung from the bottom block, it is found that an effort of 300N is used to raise the load.
(a) How much energy is supplied if the effort moves through 5m?
(b) If the effort moves through 5m, find how far the load rises.
(c) Find how much energy is gained by the load if the effort moves through 5m.