A carpenter holds a 12-lb 2-in. by 4-in. board as shown. If he exerts vertical forces on the board, determine the forces

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A carpenter holds a 12-lb 2-in. by 4-in. board as shown. If he exerts vertical forces on the board, determine the forces

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A Carpenter Holds A 12 Lb 2 In By 4 In Board As Shown If He Exerts Vertical Forces On The Board Determine The Forces 1
A Carpenter Holds A 12 Lb 2 In By 4 In Board As Shown If He Exerts Vertical Forces On The Board Determine The Forces 1 (147.46 KiB) Viewed 25 times
A carpenter holds a 12-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). Answers: NA = NB = i H i 3¹ B 9¹ lb lb
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