Final answer:
Left turn tendencies due to torque are most pronounced when the force is perpendicular to the lever arm and at its maximum radius, causing a counterclockwise rotation.
Step-by-step explanation:
Left turn tendencies from torque will be greatest when the force applied is perpendicular to the lever arm and at the maximum possible radius from the pivot point. In physics, torque is the measure of the force that can cause an object to rotate about an axis. It is most effective when the force is applied perpendicular to the lever arm, which is the radius in the case of a disk. Torque can be clockwise or counterclockwise, and its magnitude is greater with a longer lever arm. Therefore, a cyclist experiences a left turn when lightly pulling back on the right handlebar due to this principle, resulting in a counterclockwise torque to the left.
Torque tends to cause rotation in an object. When it comes to left turn tendencies from torque, the greatest torque will be experienced when the lever arm is longer. This means that the distance between the force and the axis of rotation is larger, resulting in a larger torque. Additionally, the direction of torque can be clockwise or counterclockwise depending on the chosen pivot point, but for left turn tendencies, the torque is generally counterclockwise relative to the pivot point.