Compute the combined moment of the two 85-lb forces about (a) point O and (b) point A. The moment is positive if counterclockwise, negative if clockwise. Assume a = 6.3 in., b = 3.3 in., F = 85 lb.

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Compute the combined moment of the two 85-lb forces about (a) point O and (b) point A. The moment is positive if counterclockwise,
negative if clockwise.
Assume a = 6.3 in., b = 3.3 in., F = 85 lb.
Answers:
4
(a) Mo=
(b) MA= i -1100
i
-1100
A
! lb-in.
! lb-in.
Transcribed Image Text:Compute the combined moment of the two 85-lb forces about (a) point O and (b) point A. The moment is positive if counterclockwise, negative if clockwise. Assume a = 6.3 in., b = 3.3 in., F = 85 lb. Answers: 4 (a) Mo= (b) MA= i -1100 i -1100 A ! lb-in. ! lb-in.
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