Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 201
the coefficient of jour-nal friction is 0.06. After thewheel reaches a speed of 120r.p.m. the driving force iswithdrawn and the wheel slowsdown to 60 r.p.m. (a) How much energy doesthe wheel lose ? (b) What moment (inpoimd-feet), due to friction atthe shaft journals, opposes themotion of this… … Fig. 13s
Mechanics
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