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Physics

What force makes things turn?

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September 29, 2009 4:04PM

Believe it or not gravity does, or at least it is the main factor in making things turn. Other forces like air resistance and friction do come into the equation but without gravity it wouldn't turn, unless it's electronic.

Also, the speed of which things turn, if not electronic, depends on the momentum that has been built up.

The equation for momentum is: p=mv. Of course, this can be changed to suit what you are trying to find out.

  • p = mv
  • m = v / p
  • v = m / p