Concepts of Physics
Chapter 4
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Updated 10.21.2008

Tuesday, October 21

  • Chapter 3 Test

Wednesday, October 22

  • Buckle Up activity
  • Intro. to Chapter 4: Inertia (Newton's First Law)
  • Inertia Demonstrations: Eyore, tablecloth, headgear, pen in bottle, card/penny/glass, coin on elbow
  • Next time question 4–1

Thursday, October 23

  • Read Chapter 4 by today
  • Answer Next Time Question 4-1
  • Concept Development 4-1 (1st page)
  • Mass is not weight! w=mg
  • Demonstrate calculating mass and weight (Concept Development 4-1 page 2)
  • Units of mass and weight; calculating weight
  • Physics Demonstration DVD inertia demonstrations

    Friday, October 24

    • Air track demos
    • Inertial balance demonstration
    • Net force (overhead transparency)
    • bird on a wire demonstrations - rope with weight and two people then 20 lb. dacron with 3.815 kg mass
    • Equilibrium and vector addition of forces
    • Aristotle's ideas of natural and violent motion
    • Finish concept development 4-2

    Monday, October 27

    • P. 56, 1-8 due (hand in)
    • Concept Development 4–3
      • Balanced forces - Equilibrium - no net force on object - object does not accelerate
      • Unbalanced forces - there is a net force on the object and it accelerates
    • Introduction to force lab

    Tuesday, October 28

    • Sports Figures video: That mu you do
    • Sports figures: Why do golf balls have dimples?
      • This video is 10 years old; Tiger Woods is now a professional golfer
      • 32 ft/s2 is used as an acceleration instead of 9.8 m/s2

    Wednesday, October 29

    • Force Lab

    Thursday, October 30

    • Force Lab (continued)
    • Work on homework

    Friday, October 31

    • P. 57, 13-19 due
    • Friction

    Monday, November 3

    • Force Lab due
    • Return & review homework
    • Work on review problems and force lab

    Tuesday, November 4

    • Chapter 4 Review due
    • Go over review

    Wednesday, November 5

    • Chapter 4 Test

    Thursday, November 6 and Friday, November 7

    • No school – Parent/Teacher Conferences

    Monday, November 10

    • Intro. Lab: Constant Mass and Changing Force