Wrench Problem

Wrench Problem - NAME_ RECITATION SECTION_ MEM202-...

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NAME______________________________ RECITATION SECTION_________ MEM202- Engineering Mechanics – Statics Summer 2007 MIDTERM EXAM #2 (Closed Book, Closed Notes, Show All Work, 6 Problems) Basic Formulas: 22 2 (Law of sines) sin sin sin c 2 cos (Law of cosines) αβ γ == =+− ab c a b -1 -1 -1 222 For vector : cos , cos , cos , cos cos cos 1 (Relation between direction cosines) cos (Dot product) αβγ θ = ++ = •= A AB y x z A A A AA A AB c a b α β γ
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NAME______________________________ RECITATION SECTION_________ Problem 1 It is known that the connecting rod AB exerts on the crank BC a 1.5kN force directed down and to the left along the centerline of AB . Determine the moment of that force about C (a) (8pts) (b) (7pts)
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NAME______________________________ RECITATION SECTION_________ Problem 2 The tension in cable AB is 143.4N. (a) (10pts) Determine the moment about the x -axis of this tension force acting on point A . (b) (5pts) What is the moment of the tension force acting at A about line OB ?
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NAME______________________________ RECITATION SECTION_________ Problem 3 (a) (3pts each) Determine the equivalent force-couple system at the origin O for each of the three cases of forces being applied to the edge of a circular disk. (b) (2pts each)
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This note was uploaded on 04/12/2009 for the course MEM 202 taught by Professor Cook during the Winter '08 term at Drexel.

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Wrench Problem - NAME_ RECITATION SECTION_ MEM202-...

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