How does Wheel A turn in relation to the driver?

The answer indicates that Wheel A turns counter-clockwise and slower than the driver, which is a fundamental principle in understanding gears and wheels in mechanical systems. This behavior is usually observed when considering the interaction between gears or wheels that are engaged with each other.

In systems with gears, if the driver gear rotates in a clockwise direction, the driven gear (in this case, Wheel A) will typically rotate in the opposite direction, which is counter-clockwise. This is due to the nature of gear interactions, where adjacent gears must turn in opposite directions to maintain proper engagement.

Additionally, the statement that Wheel A turns slower than the driver often arises from the gear ratio between the driver and driven gear. If Wheel A is larger than the driver gear, it will turn more slowly, reflecting the conservation of energy and torque characteristics. The larger wheel needs to cover more distance as it rotates, thus completing fewer rotations compared to a smaller driving wheel.

Understanding these concepts of motion and speed is crucial in electrical and mechanical contexts, particularly in applications involving motors and mechanical systems where gears are used to alter speed and direction of rotation.