7. two children of mass 20 kg and 30 kg sit balanced on a seesaw with the pivot point located at the center of the seesaw. if the children are separated by a distance of 3 m, at what distance from the pivot point is the small child sitting in order to maintain the balance?

Explanation:

Given

mass of children

distance between two children

suppose  small child is at a distance of x m from  pivot point

so torque of small child and heavier child must be equal

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explanation:

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