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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F75d77a4b-b72b-4584-ac23-2da2955b39cd%2F55662192-e767-49fa-a766-1efc38ebeab2%2Fb8tczrc_processed.jpeg&w=3840&q=75)
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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