Basic Physics: Force and Friction

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The 3.20kg, 38.0cm diameter disk in the figure is spinning at 350 rpm.

How much friction force must the brake apply to the rim to bring the disk to a halt in 2.40 seconds?

(Please see attachment for diagram.)

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Attachments

Problem 13[1].69.doc

Solution Summary

The solution is given succinctly, step-by-step. It uses simple calculations to find the friction force required.

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