At what mark should mass be placed

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Q. If a 180 g mass is placed at the 22 cm mark (28 cm from the fulcrum), at what mark should a 500 g mass be placed so that the system balances?

If a 120 g mass was placed at the 25 cm mark, and a 20 g mass at the 12 cm mark, where should a 500 g mass be placed to balance the system?

Reference no: EM1360560

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