Checking coplanar force equilibrium solution

[mayeh]

please check if the answer is correct.

this is the question:
http://www.imagevimage.com/images/1_7.JPG



http://www.imagevimage.com/images/CCI11042007_00001.jpg

 

[Shooting Star]

tan theta = 2/3.

NA = 2W/sqrt(13).

You can directly get tan_theta by equating the horizontal components. Now find cos and sin. Substitute in the eqn for vertical components.

In the Q, they have said to find theta, and Na, Nb interms of W. Does not mean theta in terms of W.