Find masses on an equilibrium plane

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The discussion focuses on calculating the masses of objects A, C, and D in a system in equilibrium, given that object B has a mass of 0.785 kg. The lengths provided are L1 = 30.4 cm, L2 = 7.50 cm, L3 = 14.6 cm, L4 = 5.00 cm, L5 = 16.8 cm, and L6 = 5.00 cm. The calculations involve applying the principles of static equilibrium, specifically the moments about a pivot point. The solution requires setting the sum of clockwise moments equal to the sum of counterclockwise moments to find the unknown masses.

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Can anyone help me on how to calculate mass C, mass D, and mass A from the diagram in the atachment whose is in equilibrium if:

The object B has mass of 0.785 kg. Determine the mass of object C. Assume L1 = 30.4 cm, L2 = 7.50 cm, L3 = 14.6 cm, L4 = 5.00 cm, L5 = 16.8 cm and L6 = 5.00 cm. (Neglect the weights of the crossbars.)
 

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Same as your previous questions - show some work and an attempt at a solution, as per the forum rules.
 

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