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# Survey - 2.003J/1.053J Dynamics and Control I Fall 2007 A Benevolent Quiz 5 September 2007 Important Notes 1 This quiz does not count towards the

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2.003J/1.053J Dynamics and Control I Fall 2007 A Benevolent Quiz 5 September, 2007 Important Notes: 1. This quiz does not count towards the final grade. 2. It consists of two parts. The first part consists of five problems that you should be able to easily solve based on your prerequisites (8.01, 18.03). The second part consists of three problems which give you a glimpse into the kind problems we will be dealing with in this class. We hope that you would be able to solve these problems by the end of the semester. Cite as: Sanjay Sarma, Nicholas Makris, Yahya Modarres-Sadeghi, and Peter So, course materials for 2.003J/1.053J Dynamics and Control I, Fall 2007. MIT OpenCourseWare (http://ocw.mit.edu), Massachusetts Institute of Technology. Downloaded on [DD Month YYYY].

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Part I: Prerequisites check 1. Suppose that a weighing scale measures the reaction force exerted on it and shows the reading as the corresponding weight value. See the figure below and the corresponding force diagrams . Thus, a person with mass m exerts a reaction force N (which is equal to mg in this case) on the weighing scale. The weighing scale measures the value of N and divides it by gravitational acceleration g and shows the corresponding mass. Now the person takes this weighing scale to an elevator and decides to perform a small experiment. In each of the following cases, write down the reading shown by the weighing scale. Clearly draw the corresponding force diagram. V
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## This note was uploaded on 11/29/2011 for the course CIVIL 1.00 taught by Professor Georgekocur during the Spring '05 term at MIT.

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Survey - 2.003J/1.053J Dynamics and Control I Fall 2007 A Benevolent Quiz 5 September 2007 Important Notes 1 This quiz does not count towards the

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