Physics for Scientists and Engineers With Modern Physics
9th Edition
ISBN: 9781133953982
Author: SERWAY, Raymond A./
Publisher: Cengage Learning
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Chapter 10, Problem 18P
Figure P10.18 shows the drive train of a bicycle that has wheels 67.3 cm in diameter and pedal cranks 17.5 cm long. The cyclist pedals at a steady cadence of 76.0 rev/min. The chain engages with a front sprocket 15.2 cm in diameter and a rear sprocket 7.00 cm in diameter. Calculate (a) the speed of a link of the chain relative to the bicycle frame, (b) the angular speed of the bicycle wheels, and (c) the speed of the bicycle relative to the road. (d) What pieces of data, if any, are not necessary for the calculations?
Figure P10.18
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18. Figure P10.18 shows the drive train of a bicvcle that
has wheels 67.3 cm in diameter and pedal cranks
17.5 cm long. The cyclist pedals at a steady cadence of
76.0 rev/min. The chain engages with a front sprocket
15.2 cm in diameter and a rear sprocket 7.00 cm in
diameter. Calculate (a) the speed of a link of the chain
relative to the bicycle frame, (b) the angular speed of
the bicycle wheels, and (c) the speed of the bicycle rela-
tive to the road. (d) What pieces of data, if any, are not
necessary for the calculations?
Rear
sprocket
Pedal crank
Front sprocket
Chain
Fiqure P10.18
Chapter 10 Solutions
Physics for Scientists and Engineers With Modern Physics
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