A particle is in equilibrium under 4 horizontal forces:
- 5N,
-8N acting at 30 degrees,
-PN
-QN
Show that P = 9.
The answer says P is 8cos60 + 5. I get that 8cos60 gives you the vertical component of the 8N force, but I don’t get why we add that to 5 to get p total.