I was wondering if you would h

timer Asked: Dec 12th, 2015

Question description

I was wondering if you would help me with this problem. A spring has a force constant of 820 N/m and an unstretched length of 6 cm. One end is attached to a post that is free to rotate in the center of a smooth table, as shown in the top view below. The other end is attached to a 5 kg disk moving in uniform circular motion on the table, which stretches the spring by 1 cm.
Note: Friction is negligible.

What is the centripetal force Fc on the disk? Answer in units of N.

I have no idea how to start this problem...

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