test9 - @ Name: PLEASE NOTE: COE 2001 — Test 3 — Fall...

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Unformatted text preview: @ Name: PLEASE NOTE: COE 2001 — Test 3 — Fall 2006 1. If axes are specified for a given problem, you are to use them. Do not change them in any way or you get a 0 (zero) to that question. 2. Show all work. 3. Provide units with 4 your answers, and box them. If the “lb” unit is used in this test, it means “lb-force,” NOT “lb-mass” (i.e. do NOT multiply by gravity to get a force!). 5. Define clearly any new variable you introduce in a problem based on the givens. Pb. I (40 pts) :glUQ-l 0.9 Determine the reactions atA and B for the beam ‘ subjected to a combination of distributed and point loads. antgimi mm (7.):(3w g ,1. mm = i 2 w 3.1.21! 2 L )‘ > I p: / ' l .3 JV . .',.-'”“ u“. (j ____. a»; ix _‘ ‘2‘ A _ 2 M h ;‘“ “Wm; Zr _. v-- do >< . *v ) M": 3 :2 .~ 0.: fi‘ an ”’( > +J3Ml+v~( <;.Z . _.,BJ) ' 3 ER ‘1 310W t. 1C7 Pb H (60 pts) — | 'The three flat blocks are positioned on the 30° incline as shown, and a force P parallel to the incline is applied to the middle block. The upper block is prevented from moving by a wire which attaches it to the fixed support. The coefficient of static friction for each of the three pairs of mating surfaces is shown. Determine the maximum value which P may have before any slipping'takes place. @r. W : £9+ #__P_we>mzo=o. (2)“ %:N3,NA -CJBCLEEQ so, (4) (2)4 MA :ZS’A.€M .__5 if; 20.2UA :763M C43 4 Mtg-:encm a £B=o.4NB= 2.7mm 63> “9 9:103N. —b HQ 1: A \fCNK : O‘S‘MC: M W@ WA NA Efgfik/o [flea \ iBTUC—NA -ngmgwbm ©N¢21038§M K» Tecmmmw swag .-.®P : (445M Mudt 9n LL24; fBC fawax. (3)» 1935?- L; + mamas: Zl%.LN w '1?me '- 0.4 Mg : Q7L6N 9a} £3> 43mm '- WM—a'ndymcg gmmwfim ...
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test9 - @ Name: PLEASE NOTE: COE 2001 — Test 3 — Fall...

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