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Introductory Physics Homework Help
Finding linear acceleration of a spool and cable
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[QUOTE="haruspex, post: 6826335, member: 334404"] What you know is that it does not slip. This gives you a simple relationship between the linear acceleration and the rotational acceleration. There are two ways you can use this. You can take moments about the spool's centre, giving an equation involving the frictional force and the angular acceleration, then combine that with the horizontal F=ma equation. Alternatively, take moments about the point on the ground contacted by the spool. With this method you have to understand that the linear acceleration of the spool contributes to the angular acceleration about that point. But it has the advantage of not involving the frictional force, so you don't need the F=ma equation. [/QUOTE]
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Introductory Physics Homework Help
Finding linear acceleration of a spool and cable
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