midterm 2 practice + solns

midterm 2 practice + solns - SE 101B/MAE 130B Dynamics...

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Unformatted text preview: SE 101B/MAE 130B Dynamics Sample Mid-term Examination WI08 Name (please print)______________________________________ID No_________________ Honor Pledge (signature required for credit) I certify that I have neither given nor received any assistance in taking this examination, and I have not used any additional materials other than paper, a pen/pencil, and a calculator to take this examination. Examples of inappropriate additional materials include, but are not limited to, cell phones, palm pilots, laptops, or similar communications items. Signed_________________________________________________Date___________________ PROBLEM 1 . A system of three point masses (of mass 2 m , m, and m as shown) are connected via massless rigid links of length L as shown to the right with gravity pointing downward. A force F is suddenly applied to the top mass. (a) Draw a free body diagram of the assembly. (b) Assuming the assembly was at rest when the force was applied, find (the acceleration about the center of mass G) and the angular acceleration of the assembly at that first instant the force is applied. of the assembly at that first instant the force is applied....
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This note was uploaded on 05/14/2008 for the course SE 101B taught by Professor Todd during the Winter '08 term at UCSD.

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midterm 2 practice + solns - SE 101B/MAE 130B Dynamics...

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