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Introductory Physics Homework Help
Atwood's machine with angular momentum
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[QUOTE="BvU, post: 4962880, member: 499340"] Can't argue with that, can we :) ? Book calls that the [U]external[/U] torque. I'm using a simpleton approach looking at the upper half and the lower half separately. So my net torque is on the wheel only and it gives the wheel an angular acceleration Iα. Book's [U]external[/U] torque gives an angular acceleration to the whole lot: ( (m[SUB]A[/SUB] + m[SUB]B[/SUB]) R[SUB]0[/SUB][SUP]2[/SUP] + I ) α So fortunately we end up doing the same thing to calculate the same α. As we should ;) [/QUOTE]
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Introductory Physics Homework Help
Atwood's machine with angular momentum
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