A machine part has the shape of a solid uniform sphere of mass 230 g and diameter 3.70 cm. It is spinning about a frictionless axle through its center, but at one point on its equator it is scraping against metal, resulting in a friction force of 0.02 N at that point. If it is spinning at 500 rpm, how long, in seconds, will the scraping require TO STOP the sphere?

A machine part has the shape of a solid uniform sphere of mass 230 g and diameter 3.70 cm. It is spinning about a frictionless axle through its center, but at one point on its equator it is scraping against metal, resulting in a friction force of 0.02 N at that point. If it is spinning at 500 rpm, how long, in seconds, will the scraping require TO STOP the sphere?

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter65: Achievement Review—section Six

Section: Chapter Questions

Problem 54AR: Solve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places...

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