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Unformatted text preview: 2.a. A couple is applied to the beam as shown. Its moment is equal to ____ N-m. A) 50 B) 60 C) 80 D) 1000 Answer: B 2.b. You can determine the couple moment from the expression: F r M s s s = . If lbs k F 20 = s , then r s is A) BC r s B ) AB r s C) CB r s D ) AC r s Answer: A 3 4 5 1m 2m 50 N...
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- Spring '08