The wheel of a car has a diameter of 16 inches and moves a smaller wheel of 4 inches. What is the mechanical advantage gained by the system?

The wheel of a car has a diameter of 16 inches and moves a smaller wheel of 4 inches. What is the mechanical advantage gained by the system?

Detailed Explanation

This systems achieves a mechanical advantage of 4:1. This is a reflection of the difference in the diameters of the wheels. The two diameters (16 inches and 4 inches) have a ratio of 16:4, which is equal to 4:1.