Problem 313 | Equilibrium of Concurrent Force System

Problem 313
Figure P-313 represents the concurrent force system acting at a joint of a bridge truss. Determine the value of P and E to maintain equilibrium of the forces.



Solution 313



Where did that 92.82 and 1.9318P came from?

evaluate the trigo functions and add/subtract like terms

Can you please give an example ?

bakit dinidisregard ung quadrants? hindi ba may negative/postive ung components depende kung saan sila nakapwesto?

Hindi actually yan dinisregard... siniparate lang sa solution ang upward sa downward at yung "to the left" fom "to the right".

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