The figure below shows the drive train of a bicycle that has wheels67.3 cm in diameter and pedal cranks 17.5 cm long. The cyclistpedals at a steady angular rate of 71.5 rev/min. The chain engages with a frontsprocket 15.2 cm in diameter and a rear sprocket 6.40 cm in diameter.
(a) Calculate the speed of a link of the chainrelative to the bicycle frame.

(b) Calculate the angular speed of the bicycle wheels.

(c) Calculate the speed of the bicycle relative to the road.

(d) What pieces of data, if any, are not necessary for thecalculations? (Select all that apply.)


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