Rotation

 August 30th, 2011
physics, rotation
Imagine a pipe in space, spinning around its long axis. Now imagine giving it two symetrical pushes, one on each end, at points (a) and (b) below:

If the pipe were not already spinning around it's long axis, these would set it spinning around point (c), in the middle. It is already spinning, though, so what does it do?

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