Elevator weighs 1600 lbs.
It's suspended by 200 ft. of cable.
Cable weighs 10lb./ft.
How much work to raise elevator 30ft.?
I have this so far:
Work of elevator = 1600 x 30 = 48000 ft-lbs.
Work of cable = 10(200-30) x 30 = 51000 ft-lbs.
What do I do from here? Thanks for your time.