2048_Fall08_Exam3 - 77777 Instructor(s Mueller/Rinzler PHY 2048 Name(print last first PHYSICS DEPARTMENT Exam 3 Signature 77777 December 9 2008 On

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77777 77777 Instructor(s): Mueller/Rinzler PHYSICS DEPARTMENT PHY 2048 Exam 3 December 9, 2008 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5-DIGIT NUMBER AT THE TOP OF EACH PAGE. (1) Code your test number on your answer sheet (use lines 76–80 on the answer sheet for the 5-digit number) . Code your name on your answer sheet. DARKEN CIRCLES COMPLETELY . Code your UFID number on your answer sheet. (2) Print your name on this sheet and sign it also. (3) Do all scratch work anywhere on this exam that you like. Circle your answers on the test form. At the end of the test, this exam printout is to be turned in. No credit will be given without both answer sheet and printout. (4) Blacken the circle of your intended answer completely, using a #2 pencil or blue or black ink . Do not make any stray marks or some answers may be counted as incorrect. (5) The answers are rounded off. Choose the closest to exact. There is no penalty for guessing. (6) Hand in the answer sheet separately. Where needed use g = 9 . 80 m/s 2
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77777 77777 1. Three identical, uniform rods have forces acting in directions and at locations indicated in the figure. The forces all have the same magnitude. Which of the rods could be in static equilibrium if an additional force of the same magnitude were applied at the center of mass of the uniform rod? (1) Only 3 (2) Only 1 (3) Only 2 (4) Only 1 and 2 (5) All three 2. The center of gravity of an object coincides with the center of mass: (1) if the acceleration due to gravity is uniform over the body (2) always (3) never (4) if the center of mass is at the geometrical center of the body (5) if the body has a uniform distribution of mass 3. A picture P of weight W
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This note was uploaded on 01/25/2011 for the course PHY 2048 taught by Professor Field during the Summer '08 term at University of Florida.

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2048_Fall08_Exam3 - 77777 Instructor(s Mueller/Rinzler PHY 2048 Name(print last first PHYSICS DEPARTMENT Exam 3 Signature 77777 December 9 2008 On

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