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Unformatted text preview: LAW OF GRAVITATIONAL ATTRACTION 2 E E R m G g = Gravitational Acceleration of a Body on Earth g W m = Complications arise because the Earth is not quite a fixed sphere, but instead is an rotating oblate spheriod. kg m E 24 10 6 × ≅ mi km R E 4000 6400 ≅ ≅ 2 2 / 2 . 32 / 81 . 9 s ft s m g = ≅ Weight of Body (with mass m ) on Earth: International System (SI) * Length meter (m) * Mass kilogram (kg) * Time second (s) Force Newton (N) U.S. Customary System * Length foot (ft) Mass slug * Time second (s) * Force pound (lb) * Fundamental unit Newtonian Mechanics UNITS 1 N: Force that accelerates 1kg mass at 1 m/s 2 1 slug: Mass that a 1lb force accelerates at 1 ft/s 2...
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This note was uploaded on 04/08/2011 for the course EAS 208 taught by Professor Mehdiahmadizadeh during the Spring '08 term at SUNY Buffalo.
 Spring '08
 MehdiAhmadizadeh

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