Lecture 3-1 STUDENT MASTER COPY

b. in US units the magnitude of Mo is in pound feet (lb ft) 7. The moment Mo does not depend on the point of application of the force. ... Mb = (202.6 N m) k. Sample Problem 3.3 - A 30 lb force acts on the end of the 3 ft lever as shown. Determine the moment of the force about the point O. Solution: Mb = roa X F. roa = (3 ft) cos 50 i + (3 ft ... ................
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