A rider applies the brakes on a bicycle by applying a downward force of 20Ibf on the pedal when the 6" crank makes a 40° angle with the horizontal Find the magnitude of the torque | T at point P. Express your answer in ft-lbf. Use the geometric definition of the cross product and the properties of the cross product to make the following calculation.

Fig: 1

Fig: 2

Fig: 3

Fig: 4