Solve 3D Statics Problem: Find Reactions of Rods

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The discussion centers on a 3D statics problem involving two equal-length rods connected by a small rod. The goal is to sum the moments around point O and determine the reactions of each rod. The masses of both rods are equal but unspecified. Participants are encouraged to provide input or advice on solving the problem. The thread has been relocated to the appropriate homework help section.
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Statics Problem...Please Help

I have attached a sketch of a 3-d system. There are two rods of equal length (35cm) and equal mass. The masses are equal but unknown (mass of rod #1 = mass of rod #2). Please note that rod #2 is attached to rod one by a small connecting rod (3cm in length). Also note that the width of all rods is arbitrary. The question asks to sum the moments around point O & find the reactions of each rod.

statics.gif



I would really appreciate any input or advice on how to go about this problem. Thanks in advance.
 
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Please put your homework problems in the HW help section.
 
cyrusabdollahi said:
Please put your homework problems in the HW help section.

I've moved the thread.
 
Thread 'Have I solved this structural engineering equation correctly?'

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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