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A carpenter holds a 10-lb 2-in. by 4-in. board as shown. If he exerts vertical forces on the board, determine the forces at A and B (use positive if the force is up and negative if down). A Answers: = NA- NB- 2¹ i 31 i 41 B 8' WI lb lb

A carpenter holds a 10-lb 2-in. by 4-in. board as shown. If he exerts vertical forces on the board, determine the forces at A and B (use positive if the force is up and negative if down). A Answers: = NA- NB- 2¹ i 31 i 41 B 8' WI lb lb

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The number of significant digits is set to 3. The tolerance is +-1 in the 3rd significant digit.

A carpenter holds a 10-lb 2-in. by 4-in. board as shown. If he exerts vertical forces on the board, determine the forces at A and B (use positive if the force is up and negative if down). A Answers: 2' NA = NB = i 41 Mi 31 B 8' WI lb lb
Transcribed Image Text:A carpenter holds a 10-lb 2-in. by 4-in. board as shown. If he exerts vertical forces on the board, determine the forces at A and B (use positive if the force is up and negative if down). A Answers: 2' NA = NB = i 41 Mi 31 B 8' WI lb lb
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