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L19_phys131_31oct07

# L19_phys131_31oct07 - Law motion that we discussed...

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Summary for Lecture 19 on October 31, 2007 Center of Mass (COM) . z and y for ressions exp similar and ... object solid a for xdm x z m M 1 z y m M 1 y x m M 1 x r m M 1 r COM i n 1 i i COM i n 1 i i COM i n 1 i i COM i n 1 i i COM = = = = = = = = =

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Center of Mass #2: If a force is applied to a system of objects, the center of mass of that system obeys the F=ma Newton’s 2 nd
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Unformatted text preview: Law motion that we discussed previously in this course. • In Friday’s lecture the COM expression will be differentiated, leading to expressions for impulse and momentum. Conservation of momentum is one of the most important Laws of physics....
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L19_phys131_31oct07 - Law motion that we discussed...

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