How would I go about doing this question:

http://i22.photobucket.com/albums/b3...Capture-14.png

Could I just make a triangle of forces and check the angles?

Printable View

- Jul 3rd 2011, 04:15 PMjgv115Forces question
How would I go about doing this question:

http://i22.photobucket.com/albums/b3...Capture-14.png

Could I just make a triangle of forces and check the angles? - Jul 3rd 2011, 04:57 PMabhishekkgpRe: Forces question
- Aug 1st 2011, 12:18 PMwaqarhaiderRe: Forces question
By Lamy's theorem there is no equilibrium in both cases

$\displaystyle \frac{P}{\sin\alpha}=\frac{Q}{\sin\beta}=\frac{R}{ \sin\gamma}$