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WOnder if you could quickly explain how to calculate this?

I need to understand how to calculate weigth 'a' which 10 cm to the left of the shaft from the top of a T shaped tower when weight 'b' is 4kg's 10cm from the shaft and weight 'c' is 2kg's and another 10 cm along on the opposite side?

is there a basic calculation involving the known weights and the distances involved?

Many thanks

MrM

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# Homework Help: A simple question on weights

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