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Unformatted text preview: be lbsftsec 2 . For link 2. i.e. , For link 3. i.e. , For link 4. For link 5. Therefore, the sum of the coefficients is To determine . Note that , therefore, the units must be lbsftsec 2 . For link 4. For link 5. Therefore, the sum of the coefficients is Potential Energy For this problem, the potential energy is related to gravity effect only. The time rate of change potential energy term due to gravity effects can be written as For link 4. For link 5....
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 Fall '08
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