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# hw6 - required to break the cord which requires a tension T...

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ME 244 Assignment 6 Spring 2010 Department of Mechanical Engineering, Yeditepe University Due date: 02 April 2010, Friday - 5 PM Policy: The assignments should be done by each student individually, not as group work. The due date and time is Friday 5 PM, one week after the assignment is given. No late submissions are accepted. The assignments should be submitted to the Teaching Assistant of the course, Batuhan Baturalp (Room A702). 1. The block of weight W = 50 N is originally at rest on the smooth surface. It is acted upon by a radial force F R = 10 N and a horizontal force F H = 35 N, always directed at θ = 30 from the tangent to the path as shown. Determine the time

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Unformatted text preview: required to break the cord, which requires a tension T = 150 N. What is the speed of the block when this occurs? Neglect the size of the block for the calculation ( r = 1 . 2 m, g = 9 . 8 m/s 2 ). 2. When the 2-kg bob is given a horizontal speed of 1 . 5 m/s, it begins to rotate around the horizontal circular path A. If the force ~ F on the cord is increased, the bob rises and then rotates around the horizontal circular path B. Determine the speed of the bob around path B. Also, ﬁnd the work done by force ~ F . 1 Figure 1: Question 1 Figure 2: Question 2 2...
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hw6 - required to break the cord which requires a tension T...

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