Unformatted text preview: when the chain is set in the lowest gear? Highest gear? ( Answer: 3.6 m and 8.5 m ) b) Consider descending a 40% grade (consider a 15 kg bicycle and a 70 kg rider) at a constant speed (i.e. while braking). Draw a free body force diagram indicating the magnitude and direction of the external forces on the bike and rider. Which external forces provide torques? c) Now consider only the front wheel. What forces apply torques to the front rim?...
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- Winter '10
- Force, Bicycle, Sprocket, Derailleur gears, Roller chain