Modeltest2 - PHY 2011 Fall 2007 Model Midterm Exam 2 TOTAL...

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PHY 2011 : Fall 2007 Model Midterm Exam 2 TOTAL POINTS=50 Time: 50 minutes Name (Please print) : INSTRUCTIONS : Show all your work for the work-out (non-multiple choice) problems so that the grader can clearly follow your line of thought and calculations! Showing work for multiple choice problems is not necessary. Use the reverse sides if necessary. DEFINITELY CIRCLE THE FINAL ANSWERS! (Formulas on last pages) Your final score : ( )/50 1
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Questions 1-10: 2 points each. 1. When a particle undergoes uniform circular motion, its acceleration (a) changes in both magnitude and direction. (b) changes in direction but not in magnitude. (c) changes in neither magnitude nor direction. 2. The forces in an action-reaction pair in the context of Newton’s 3 rd Law (a) have the same direction but not the same magnitude. (b) have the same magnitude but not the same direction. (c) have neither the same magnitude nor the same direction. 3. When the normal force is zero,
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This note was uploaded on 04/17/2008 for the course PHYS 2011 taught by Professor Sde during the Spring '08 term at University of Minnesota Duluth.

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Modeltest2 - PHY 2011 Fall 2007 Model Midterm Exam 2 TOTAL...

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