I have a 4-way cross/medal that I was told is the combination of a miraculous medal and the brown scapular.
A Ferris wheel moves from a gravitational force which moves the axle, thus, making the wheel rotate swiftly. 2 people found this useful.
How it works: Assuming the wheels do no slip and spin out of control, the following two examples of car motion describe how the differential works when the car is going forward and when it is turning.