18th November 2019


What is gyroscopic forces?

A gyroscope (from Greek γ?ρος gûros, "circle" and σκοπέω skopéō, "to look") is a spinning wheel or disc in which the axis of rotation is free to assume any orientation. When rotating, the orientation of this axis is unaffected by tilting or rotation of the mounting, according to the conservation of angular momentum.

Similarly, you may ask, what is meant by gyroscopic motion?

Gyroscopic motion is the tendency of a rotating object to maintain the orientation of its rotation. A rotating object possesses angular momentum and this momentum must be conserved. The object will resist any change in its axis of rotation, as a change in orientation will result in a change in angular momentum.

Why does a spinning top stay up?

In order for a top to fall over its angular momentum needs to go from pointing vertically (either up or down, depending on which direction it's spinning) to pointing sideways. So, in a cheating nutshell, tops stay upright because falling over violates angular momentum.

What is the procession of the equinox?

The precession of the equinoxes refers to the observable phenomena of the rotation of the heavens, a cycle which spans a period of (approximately) 25,920 years, over which time the constellations appear to slowly rotate around the earth, taking turns at rising behind the rising sun on the vernal equinox.
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