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Introductory Physics Homework Help
Understanding solution method for finding accelerations in a mechanical linkage
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[QUOTE="whitejac, post: 5468962, member: 552658"] [h2]Homework Statement [/h2] I was checking my work and Chegg uses the equations differently. Can somebody tell me why? Maybe I'm misunderstanding how/why to use the equation I chose. [ATTACH=full]100496[/ATTACH] [ATTACH=full]100497[/ATTACH] [h2]Homework Equations[/h2] They say [B]a[SUB]B[/SUB] [/B]= -ω[SUP]2[/SUP][SUB][B]AB[/B][/SUB][B]R[SUB]B/A[/SUB]i[/B] I used [B]a[SUB]B[/SUB] [/B]= [B]a[SUB]A[/SUB] [/B]+ α[B]k[/B] x [B]r [/B]- ω[SUP]2[/SUP][B]r[SUB]B/A[/SUB][/B] [h2]The Attempt at a Solution[/h2] So obviously mine will be a different answer, I only found [B]a[SUB]B[/SUB] [/B]but it gave me an [B]i [/B]and [B]j [/B]component because of that cross product. Which one is correct and why? Why can they neglect the cross product? [/QUOTE]
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Introductory Physics Homework Help
Understanding solution method for finding accelerations in a mechanical linkage
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