A 44 kg , 5.2-m-long beam is supported, but not attached to, the two posts in the figure. A 20 kg boy starts walking along the beam. How close can he get to the right end of the beam without it falling over?
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A 44 kg , 5.2-m-long beam is supported, but not attached to, the two posts in the figure. A 20 kg boy starts walking along the beam.
How close can he get to the right end of the beam without it falling over?
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