ENG35S04_Exam1_soln

ENG35S04_Exam1_soln - ENG 35 - Spring 04 Holland Exam #1...

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ENG 35 - Spring 04 – Holland 1/5 Exam #1 (One side of an 8 1/2 x 11 sheet) Name: KEY Sec. No: Problem 1 (20 points) Problem 2 (20 points) Problem 3 (20 points) Problem 4 (15 points) TOTAL (75 points) This exam is closed book and closed notes. You may have an 8 1/2 by 11 sheet with notes on one side. This sheet will need to be turned in with the exam. Be sure to put your name on each page.
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ENG 35 - Spring 04 – Holland 2/5 Exam #1 (One side of an 8 1/2 x 11 sheet) Name: KEY Sec. No: 1. Determine which force systems acting on a semicircle (radius = 5 m) are equivalent, at point A, to the system X. The forces are in N and the moments are in N•m. Show all equations that demonstrate this. (20 pts) Equations for System X. F x =+ 5 F y =− 10 M A + ()()=+ 30 20 5 70 Equivalent to X? Yes , No F x 5 ok F y 10 ok M A () + ()()=− 20 10 10 10 5 70 no Equivalent to X? Yes , No F x 5 ok F y 10 ok M A + ()() +()() = 50 10 10 20 5 5 5 75 no Equivalent to X? Yes , No F x 5 ok F y 10 ok M A =− −() + ( ) + ()() = 5 5 10 15 5 10 5 70 ok 10 10 20 A 5 10 50 A 5 10 20 5 A 10 5 15 5 5 10 20 30 A
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This note was uploaded on 01/19/2010 for the course ENG 35 taught by Professor Holland during the Spring '08 term at UC Davis.

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ENG35S04_Exam1_soln - ENG 35 - Spring 04 Holland Exam #1...

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