classical mechanics

American  

noun

Physics.

1. the branch of mechanics that is based on Newton's laws of motion and that is applicable to systems that are so large that Planck's constant can be regarded as negligibly small (quantum mechanics ).

---

Etymology

Origin of classical mechanics

First recorded in 1930–35

Example Sentences

Until this hypothetical key to the mysteries puts a bow on string theory and reconciles quantum and classical mechanics, don’t bother.

From The Wall Street Journal

In classical mechanics, if nothing moves, no work is done, meaning there is no energy cost associated with stopping something from happening.

From Science Daily

Velasco's team employs a visual model often referred to as a "billiard" to illustrate the classical mechanics of linear versus chaotic systems.

From Science Daily

In classical mechanics, a particle must have enough energy to overcome an energy barrier for a reaction to occur.

From Science Daily

If successful, achieving entanglement of levitated nano- and micro-particles could narrow the gap between the quantum world and everyday classical mechanics.

From Science Daily