- #1
John Muller
- 2
- 0
Homework Statement
A 100 kg box is to be held up by two support braces attached to a wall. One of the support braces makes a 27 degree angle with the wall and the other brace makes a 65 degree angle with the wall. Find the force in each of the support braces that will hold the box up.
Variables:
Possibly T1 and T2 for the support braces, Fg for gravitational force
Homework Equations
F=ma
Trig equations
Fg=M*9.8
The Attempt at a Solution
I have tried to set it up like most of the other equilibrium problems I have, but I ran into a few problems while doing it. Wehn setting up Fnet of the Y values to 0, I do not think I had the right set up. I have F1*cos(65)+((9.8*100)/sin63) -9.8*100=0 I kept on getting a negative for F1 and this did not make sense to me. I can only assume this is happening because I set it up wrong.