How to find the values of the following forces when it isn't given?

2 posts / 0 new
Last post
Alun
How to find the values of the following forces when it isn't given?

How to find the values of the following forces when it isn't given?

screenshot_98.png

Jhun Vert
Jhun Vert's picture

I think you just express the moment at A in terms of Fn.

Assuming counterclockwise moment as positive:
$M_A = 4\left( \frac{3}{5}F_1 \right) - 5\left( \frac{4}{5}F_1 \right) - 1(F_2) + 5\left( \frac{5}{13}F_3 \right) + 2\left( \frac{12}{13}F_3 \right)$

 
 
Subscribe to MATHalino on