For this case we have that by definition, the work done is given by:
[tex]W = Fd[/tex]
Where,
Therefore, replacing values we have:
[tex]W = (20) (3)\\W = 60 J[/tex]
Answer:
the work done by the force of gravity when a 20.0-n weight is displaced vertically upward a distance of 3.0 m is:
[tex]W = 60 J[/tex]