Hey guys,

Question: A mass of 2.6 kg is maintained in equilibrium in a vertical plane by forces of 5P N and 12P N (where P is an unknown constant) which are perpendicular.

5P is at an angle from the vertical.

Find the value of and the value of the constant P.

So 12p is at an angle of from the vertical. (My reasoning)

Resolving vertically I get:

And horizontally:

After that I'm stuck, simultaneous equations I presume.