Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 23
APPLIED STATICS The brake therefore exerts a torque equal to Tl uponthe wheel in a direction opposed to its motion and absorbsTl (2 tt) foot-poimds of work per revolution of theshaft. If the shaft makes N r.p.m. then the horse-power absorbed by the brake pr dehvered by the prime . 2-,rNTl mover is… … ExEECiSE 5. (a) Find the H.P. absorbed by the brakeshown in Fig. 4 if the effective pressure upon the platform-scales is P pounds and the shaft makes N r.p.m. (b) How would you find this effective pressure experi-mentaUy? ^au^iJL
Mechanics
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