A person lifts a 4.1 kg cement block a vertical distance of 0.79 m and then carries the block horizontally a distance of 13.30 m.
(a) How much work is done by the person in the process?
(b) How much work is done by gravity in the process?
(a) How much work is done by the person in the process?
(b) How much work is done by gravity in the process?