A carpenter holds a 16-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). B A Answers: NA = i Ng = i lb lb

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
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Chapter3: Additional Topics In Trigonometry
Section3.4: Vectors And Dot Products
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A carpenter holds a 16-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 carpenter holds a 16-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).
B
A
Answers:
NA =
i
Ng =
i
lb
lb
Transcribed Image Text:A carpenter holds a 16-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). B A Answers: NA = i Ng = i lb lb
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