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Physics Homework Help

The question is "If the radius of the circular path of an object increases and the frequency remains the same, how will the centripetal force change?"

Thanks alot

November 4, 2010

2 Comments • Newest first

Nirkara

Centripetal force is Fc = m ac = m r w^2

If you increase r, Fc will increase linearly with r, that is, keeping m and w constant, you will see a straight line if you graph Fc vs. r.

Reply November 4, 2010
Spirit

Centripetal force = mv^2 / r.

Not sure how much it changes, but I'm pretty sure that you need the force to be stronger to keep the same velocity.

Reply November 4, 2010