Compute the work done (in ft-lb) in hoisting a 1300 and I will be grand piano from the ground up to the third-floor, 25 feet above the ground.

 

I've been trying several problems like this but I can't seem to get it down. Can someone explain it to me?

 

Compute the work done (in ft-lb) in hoisting a 1,300-lb grand piano from the ground up to the third floor, 25 feet above the ground. Need Help? ft-lb Read Submit Answer