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Tension immediatley after one string breaks

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Please see the attached file.
The slender uniform bar ABC has a mass of 12 kg and is anchored to the support ceiling by two cables T1 and T2. Given that T2 breaks; find the tension in T1 immediately after the break. Solve using the equations of motion for the x and y directions. Take the moments about the Center Of Mass (point G).

Please show the calculation for the acceleration for point G (relative acceleration equations)
Please respond in PDF format.

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It finds the tension in one cable immediatley after the other cable breaks. The solution is detailed and was rated '5/5' by the student who originally posted the questions.

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