In a uniform see-saw, child A of mass 20 kg sits at 2.3 m from the center of the fulcrum. At what distance from the center of the fulcrum child B of mass 29 kg should sits on so as to have the see-saw balanced (to have a net torque of the see-saw to be zero)? Oa 1.15 m Ob1.45 m Oc33m Od. 1.6 m
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