a ramp 20 m long and 4 m high is used to lift a heavy box. a pulley system with 4 rope sections supporting the load is used to lift an identical box to a height of 4 m. If friction is ignored, the ramp requires a ____ to lift the load.
A) smaller input distance and a greater force
B) greater input distance and a greater force
C) smaller input distance and a smaller force
D) greater input distance and a smaller force