What is the net work formula for lifting weights?

[PepeF.]

Homework Statement

a weight lifter lifts a set of weights a vertical distance of 3.64 m.
if a constant net force of 394 N is exerted on the weights, how much net work is done on the weights ?

Homework Equations

i need net work formula

The Attempt at a Solution

 

[tiny-tim]

Hi PepeF!

work done = force "dot" distance

(W = ∫ F.dx)