DC Physics logo HOME | Practice Problems } Monthly Features | Textbook Errata | Humor | About DC Physics

HELP HOME PAGE

Make a Practice Test

Some Hints & Solutions

Rotation: Angular Velocity Dynamics

Problem #: 1 | Variant #: 2

A 30.42 kg shaft with a radius of 6.3 cm is spinning at a rate of 847.6 rpm. If a board leans against the outside providing a frictional force it will stop rotating in 4.346 s. What is the frictional force provided by the board?

N

Get a Random Angular Velocity Dynamics Question

Try a Minitest: 6 problems of this type


NOTE: While these problems are made by a former University Physics professor and are seen thousands of times a week, it is possible that there are typo's or other errors that nobody has yet reported to be fixed. If you are convinced that there is a problem with the solution to this question please send the details to doug@dctech.com