Gilley, Frank M · Boston, Allyn & Bacon · leaf 540
ectric cars, in whichthe ratio of the gearing wassuch that the car wheel madeone revolution to twelve of themotor. A block of wood, W, Fig. 497, is held by screws tothe body of the car. The motor is fastened to one side of W,and the truck to the other. Wind soft white string once ortwice around the… … Bail Fig. 497. 530 PRINCIPLES OF PHYSICS. needed to make B go round once. How.many turns must Bmake in order that C may revolve once ? Finally, how many turns must be madeby A while C revolvesonce ? What is theloss in speed and thegain in power ? Connect a large bat-tery or a hand dynamowith the…
Physics
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