Determine the moment of the force about point O.

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter8: Engineering Materials
Section: Chapter Questions
Problem 85CQ
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Determine the moment of the force about point O. 

2 ft
30 40 lb
- 4 ft
2 cos 30° ft
Transcribed Image Text:2 ft 30 40 lb - 4 ft 2 cos 30° ft
Expert Solution
Step 1

moment = r×F   ( × = cross product)

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