Section 10.1 Page 136 Brittany McCarter Courtney Schillinger.

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Presentation transcript:

Section 10.1 Page 136 Brittany McCarter Courtney Schillinger

When a baseball bat is thrown, it wobbles and does not flow smoothly through the air. It wobbles about a special point It is the sum of two motions: A spin around this point And a movement through the air as if all the weight were concentrated at this point. AKA the center of gravity.

The point located at the objects average position of weight. Symmetrical object Center Irregularly shaped object Center of gravity is toward the heavy end Objects not made of the same material throughout, have a center of gravity far from the geometric center.

When an irregular shaped object is thrown: it usually rotates around the center of gravity as well as following a straight line motion with the center of gravity. No matter where in the air the object is tosses, the center of gravity will always follow a smooth parabola. Center of Gravity

What part of an object follows a smooth path when an object is made to spin through the air or across a flat smooth surface?