Question

Name: WN 14. A child applies the brakes on a bicycle by applying a downward force of 20 pounds on the pedal when the crank makes a 30° 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. 6 in. -30° F = 20 16 a. b. c. d. e. 103.92 ft-lb 8.66 ft-lb 5.00 ft-lb 17.32 ft-lb 10.00 ft-lb na ne shown in the figure. Assume the only force to

Answer 1

Tague, III = r . F (F, is pependicular component of fore E = F singo = $BE, 103 lb Seat = 12) = 6X1053 =6033 = 103.92 I III ft-lb