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From: Tina Fanetti <FanettT@QUEST.WITCC.CC.IA.US>...where "it" refers specifically to the math involved. All coordinate systems are equal, but some are more mathematically convenient to use than others.
When you doing force problems/examples for your students, how do you explain why you choose the coordinate system you do? I told them I pick the coordinate system that will make it easy.
Cheers,
Joe
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