Physics

In the figure below PT is a uniform meter rule pivoted at R,the 70cm mark two forces 0.1N and 0.4N are applied at Q, the 60cm mass and S,the 85cm mark. If the meter rule is kept in equilibrium by the forces and it's weight, calculate the rate of the meter rule.

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  1. calculate the rate of the meter rule. ?????

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    bobpursley
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