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Suppose the centripetal force acting on an object moving in a circle is equal to 10 N. If you double the radius of the circle, what must be the centripetal force needed to keep the object moving in a circle?
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- Anonymous3 weeks ago
F = m*V^2/r
F' = m*V^2/2r
F'/F = 2 ...provided the speed V is the same
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