Practice Exam 1.2 - ME 240 Dynamics& Vibrations Exam#1...

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Unformatted text preview: ME 240 Dynamics & Vibrations Exam #1 February 11, 2008 11:40 AM – 1:00 PM Instructor: Prof. Kathleen Sienko (Sec. 002) Exam Rules: • Closed book • Calculator allowed • One single-sided 8x11 inch formula sheet allowed • No worked problems • No laptops or cell phones Final answers must be written in the designated area on each page. No work will be accepted after 1 PM. Problem 1 20 Points Problem 2 20 Points Problem 3 60 Points Name ____________________________________________ I have neither given nor received aid on this examination, nor have I concealed any violation of the Honor Code. Signature ____________________________________________ Name 2 Problem 1. (20 points) a. A small object A of mass m is held against the vertical side of the rotating cylindrical container of radius r by centrifugal action. If the coefficient of static friction is μ s , determine the expression for the minimum rotational rate d θ dt = ω of the container that will keep the object from slipping down the vertical side....
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This note was uploaded on 04/08/2010 for the course MECHENG 240 taught by Professor Perkins during the Fall '09 term at University of Michigan.

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Practice Exam 1.2 - ME 240 Dynamics& Vibrations Exam#1...

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