chp28_1 - PHY2061 PHY2060 Review R. D. Field Gravitational...

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PHY2061 R. D. Field Department of Physics chp28_1.doc University of Florida Gravitational Potential Energy Gravitational Force: F = G m 1 m 2 /r 2 Gravitational Potential Energy GPE: U = GPE = mgh (near surface of the Earth) Kinetic Energy: KE = 1 2 2 mv Total Mechanical Energy: E = KE +U Work Energy Theorem: W = E B -E A = (KE B -KE A ) + (U B -U A )
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