a 100 ft length of steel chain weighing 15 lb/ft is dangling from a pulley with a 2000 lb crate at the end. how much work is required to wind the chain on to the pulley? attached is a copy of my problem and the work that i did..can someone tell me if my setup is right? the integration is not a problem, i jus wanna make sure i have the right setup...Attachment 16118 thx in advance..