Lesson Plan - 1 2 Chapter 10 Center of Gravity 10.1-10.4 Florida Physics Standard Solve and analyse problems involving Newtons Universal Law of

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Gravity 10.1-10.4 Florida Physics Standard: Solve and analyse problems involving Newton’s Universal Law of Gravitation Lesson Plan for 10.1, 10.2, 10.3 Objective for 10.1 and 10.2 1) Describe center of Gravity and Center of Mass Materials Plumb line and bob Other objects to determine CG Plastic crate filled with books, plumb line and bob, section of 2 x 4 10.1 Center of Gravity OUTSIDE DEMO: Where is the center of gravity of each object? Outside A golf ball A bat A Poster Tube A Speed Bag Inside A wrench When irregularly shaped objects ( a wrench) are thrown, its CG follows a straight line path and the entire wrench rotates around its center of gravity A toy with a heavy bottom (Get from elementary class?) A book with diagonal lines to determine CG Center of Gravity (CG): How would you define the CG The point located at an object’s average position of weight For symmetrical objects like a golfball, the CG is the geometric center For irregularly shaped objects (baseball bats) or objects of varying density (a hollow ball filled with lead) the CG is not at the geometric center. 2
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This note was uploaded on 11/18/2010 for the course CPHY 101 taught by Professor Jay during the Fall '10 term at University of Massachusetts Boston.

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Lesson Plan - 1 2 Chapter 10 Center of Gravity 10.1-10.4 Florida Physics Standard Solve and analyse problems involving Newtons Universal Law of

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