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A Child Applies the Brakes on a Bicycle by Applying

Question 55

Multiple Choice

A child applies the brakes on a bicycle by applying a downward force of 20 pounds on the pedal when the crank makes a A child applies the brakes on a bicycle by applying a downward force of 20 pounds on the pedal when the crank makes a angle with the horizontal (see figure) . The crank is 6 inches in length. Find the torque at P. Round your answer to two decimal places. ​ ​ A) 15.32 ft-lb B) 7.66 ft-lb C) 91.93 ft-lb D) 6.43 ft-lb E) 12.86 ft-lb angle with the horizontal (see figure) . The crank is 6 inches in length. Find the torque at P. Round your answer to two decimal places. ​ A child applies the brakes on a bicycle by applying a downward force of 20 pounds on the pedal when the crank makes a angle with the horizontal (see figure) . The crank is 6 inches in length. Find the torque at P. Round your answer to two decimal places. ​ ​ A) 15.32 ft-lb B) 7.66 ft-lb C) 91.93 ft-lb D) 6.43 ft-lb E) 12.86 ft-lb ​


A) 15.32 ft-lb
B) 7.66 ft-lb
C) 91.93 ft-lb
D) 6.43 ft-lb
E) 12.86 ft-lb

Correct Answer:

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