Bob and will have been told to carry a uniform 2.0-m board of mass 71 kg. Will is supporting the board at the end while Bob is 60 cm from the other end as shown. Will has attached his lunch to Bob's end of the board, and the tension in the string supporting the lunch is 231 N. Assume g = 10 N/kg. Will 2 m FBob M = 71 kg Bob Find the upward force that each exerts on the board. (a) Bob: N(+1N) 0.6 m T
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