Mechanisms:
(Please circle your solutions. Show your work on a separate sheet of paper or on the back)
The chain drive assembly of a bicycle is shown below. 50 pounds of force is applied to one of the bike
pedals. Sprocket A has a diameter of 6 inches and Sprocket B had a diameter of 3 inches. What is the
resistance force experienced by Sprocket A if the efficiency of the pedal to the sprocket is 73%?
17in
Fe
7in
What is the overall IMA and Gear Ratio of this compound machine?