Physics

A body of mass m moves under the influence of force F(r). Given it's trayectory r(t), find F(r).

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asked by Ashley
  1. F(t) = M * d^r/dt^2

    If you want it as a function of r, use the inverse of the r(t) relation.

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    posted by drwls
  2. What do you mean with the inverse?

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    posted by Ashley

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