- #1
jegues
- 1,097
- 3
Homework Statement
See figure below,
Homework Equations
The Attempt at a Solution
I'm not sure how to use the sigma factor in this question.
I know that,
[tex]W= Fd[/tex]
So,
[tex]W = Eqd[/tex]
but I don't know how to get any farther.
What am I missing? How do I take advantage of sigma to get what I want?