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This powerpoint uses animated seesaws to present the idea of torque. The importance of force and distance are examined separately and then combined in the torque equation. The equation used in an example. Finally, the concept is applied by using a pipe to increase the lever arm of an wrench.
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This powerpoint presentation begins with a movie of an excessively large apple and the earth being drawn together. The movie is followed by a graphical, verbal, and mathematical examination of universal gravitation. The presentation concludes with a derivation of g on earth's surface. |