Mechanics warm up

Level pending

A particle moves in a plane under the action of a force which is always directed towards a point and depends on a distance to that on the plane as 1 r n \frac{1}{r^{n}} , where n is constant .Find all values of n for which the motion of the particle along the circle be steady.

n=2 For all n>3 1<n<3 For all n less than or equal to 2 For all n<3

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