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a 70 kg man walks out on a 10 kg beam that rests on, but is not attached to, two suports. When the beam just starts to tip, what is the force exerted...
a 70 kg man walks out on a 10 kg beam that rests on, but is not attached to, two suports. When the beam just starts to tip, what is the force exerted on the beam by the right support?