# Physics

A body mass Xg suspended at the 15cm mark of a ruler balanced it at the 30cm mark on a pivot .If the ruler has a mass of 36g and it's centre of gravity is at 55cm mark, calculate the mass X and the balance point of the ruler from zero and when the body is moved to the 25cm mark

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1. Solve the question in detail please

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2. Don't know

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