- #1
Reefy
- 63
- 1
Homework Statement
Homework Equations
The book says that
Torque = the length of the moment arm X the magnitude of the vertical component of F
= r X F
The Attempt at a Solution
My problem is that I don't have any vectors to do a cross product. Instead I tried to just multiply what I know:
50lbs x 9in x sin60° ≈ 389.71ft-lb
which is far from the correct answer, 32.5ft-lb. The problem seemed simple enough so am I making some small mistake or going about this completely wrong?