How Do You Calculate Forces in a Truss System?

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To calculate forces in a truss system, begin with determining the reaction components at the supports. Analyze the truss joint by joint, applying equilibrium equations to find the forces in members AC, BC, BD, CD, and GF. Each member's force should be classified as either tension or compression based on the direction of the force. It's essential to show your calculations for clarity and to facilitate assistance if needed. This approach ensures a thorough understanding of the statically determinate problem.
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Please answer the following problem. You can post the answers here, I just want to confirm if my answers are correct. This is a truss analysis problem.


Problem:

Determine the forces in members AC, BC, BD, CD and GF for the truss shown in the figure. Indicate if the member is tension or compression. (F and E are pins)

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It is best for you to show your answers and how you arrived at those answers, so we can better assist if indeed assistance is necessary. As a general rule, we don't give out answers.
 
This is a statically determinate problem. If you solve it, joint by joint, then the last joint will be a check. You don't then need us to check it. Start by getting the reaction components.
 
Thread 'Have I solved this structural engineering equation correctly?'
Hi all, I have a structural engineering book from 1979. I am trying to follow it as best as I can. I have come to a formula that calculates the rotations in radians at the rigid joint that requires an iterative procedure. This equation comes in the form of: $$ x_i = \frac {Q_ih_i + Q_{i+1}h_{i+1}}{4K} + \frac {C}{K}x_{i-1} + \frac {C}{K}x_{i+1} $$ Where: ## Q ## is the horizontal storey shear ## h ## is the storey height ## K = (6G_i + C_i + C_{i+1}) ## ## G = \frac {I_g}{h} ## ## C...
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