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5 votes

How does the centripetal force change when the radius changes?

This can be found by writing out Newton's Second Law in polar coordinates. Specifically, the radial and tangential components of the net force acting on an object are given by $$ F_r = m (\ddot{r} - ...
Michael Seifert's user avatar
2 votes

How does the centripetal force change when the radius changes?

When the radius of rotation is changing, we need to consider the instantaneous radius of rotation at each point on the spinning object. For a spring with a changing radius due to centrifugal force ...
Livid spammer's user avatar

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