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 a gyroscope works. A quick explanation of how a gimbaled gyro functions. Figure 4 shows a simplified gyro that is gimbaled in a plane perpendicular to the tilting force. As the rim rotates through the gimbaled plane all the energy transferred to the rim by the tilting force is mechanically stopped.