Midterm-1

# Midterm-1 - be subtracted if your line of thought cannot be...

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Midterm ME 35a Handed out: Thursday, October 30th Due by Thursday, November 6th, 2.30pm Return exams to Maria Koeper , 321 Thomas Laboratory. Note: i.) This midterm is open class textbook (Beer & Johnston), you may use your class notes and homework assignments. However, other resources like books, internet, etcetera, are not allowed. ii.) Calculators and symbolic algebra programs (such as Matlab, Maple, Mathematica) are allowed. iii.) This exams should be taken in one sitting of a maximum length of 1 hour. iv.) Draw clear diagrams, free-body diagrams and figures for your answers and calculations. v.) Write coherently and succinctly the principles that you are applying. Points will

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Unformatted text preview: be subtracted if your line of thought cannot be derived from your answer. Question 1) Rod AB of length “l” and negligible weight lies in a vertical plane and is pinned to blocks A and B. The weight of each block is W, and the blocks are connected by an elastic cord which passes over a pulley at C. Neglecting friction between the blocks and the guides, determine the value of ! as a function of the tension in the cord, T (known). . Question 2) Knowing that w=300 N/m, determine a) The resultant concentrated load on the beam and its location. b) The smallest distance a for which the vertical reaction at support B is 2.5 times that at A....
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