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Spring 2008  Phys 5A  4/4  Lecture 2.7  50 minutes
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"Poetry uses the hub of a torque converter for a 
jello mold."
--Diane Glancy  

TODAY (*.pdf)
Quiz 4: 9:30-9:55 AM
     **PLEASE SIT IN EVERY OTHER SEAT**
     **NO CELL PHONES/MEDIA PLAYERS/PDAS ALLOWED**
     USE YOUR OWN UNIQUE 4-DIGIT P.I.N.
     WRITE NAME AND P.I.N. ALONG EDGE OF QUIZ
     CIRCLE ALL ANSWERS DIRECTLY ON QUIZ
     FINISHED EARLY?  TURN IN QUIZ, BE CONSIDERATE AND QUIET

Ch. 8.2: Torque
     Ex: Multiple-Choice Questions 8.6, 8.7 (extended)
     Ex: Problem 8.16

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NEXT TIME
Homework
     Multiple-Choice Question 8.10 
          (only solve for the torque (mag. and dir.) exerted on the bar 
           by the force of gravity, in terms of m, g, and theta)            
     Problems 8.11 (for practice only)
              8.12
              8.13 (for practice only)
              8.14 (only solve for the torque (mag. and dir.) exerted 
                    on the trap door by the force of gravity)
              8.17 (for practice only)
              8.19 (for practice only)

Read Chs. 8.1 (definition of K_rot, I)
              (p. 257 box, rules (2)-(4))
          8.3 (rotational work, power; p. 66 light bulb)
          8.4 (Newton's first laws: Eq. (8-8); 
               p. 268 light-bulb; Problem-Solving Strategy p. 275)