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Unformatted text preview: Even if you are not actually dealing with particles, it is often possible to treat objects as if they are point masses, if they are uniform and symmetric (e.g., its obvious that the center of mass of a uniform disk must be at its center), or if you are trying to find the CoM of objects which are small compared to their distance apart (e.g., Earth and Moon). OK, so heres the Earth and Moon. Where is the CoM? You will find the relevant data in the Appendix in your textbook. Take the origin of the x-axis to be the center of the Earth. Is the CoM inside or outside the Earth? D Earth Moon...
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- Fall '09