a person lifts a 4.3 kg centimeter block a vertical distance of 1.10m. and then carries the block horizontally a distance of 10.0m.
How much work is done by the person?
How much work is done by gravity?
By the person:
M g H = 4.3*9.8*1.2 = 50.6 Joules
By gravity: -50.6 Joules