Answer: A 40 kg, 5.0-m-long beam is supported by, but not
Chapter 12, Problem 12.107(choose chapter or problem)
A 40 kg, 5.0-m-long beam is supported by, but not attached to, the two posts in Figure P12.60. 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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