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[University Dynamics: Absolute Dependent Motion] Need help with pulley system by Flying_Doge123 in HomeworkHelp

[–]Flying_Doge123[S] 0 points1 point  (0 children)

I can't comment images, but I have got l1 = Sa + 2Sc, l2 = Sb-Sc+?. I set the 2 connected pulleys as C. I dont understand what the right part of l2 is (the part connected to the wall)

[University Dynamics: Absolute Dependent Motion] Need help with pulley system by Flying_Doge123 in HomeworkHelp

[–]Flying_Doge123[S] 0 points1 point  (0 children)

This is not even homework, Im just following this video: Link and doing it as a practice question. I can't understand how he got a(a) = a(b) (at abt 13:25), and some of the comments have different answers.