What are Geographic Poles of the Earth? The Geographic poles are the place where the axis of rotation intersects its surface. The rotation of the sphere like structures such as a planet ...

Save guides, add subjects and pick up where you left off with your BBC account. Earth’s axis of rotation is tilted, as you can see from this illustration. This means that day and night are not ...

A rotating sphere makes contact with both the driven disc and the wheel. When the rotation axis of the sphere is at 45° between the disc and the wheel, it provides a one 1:1 transmission ratio.