かく運動 うんどう りょう保存 ほぞん法則 ほうそくではありません
kaku undōryōhozonno hōsokudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 角運動量保存の法則

1. It is not the law of conservation of angular momentum.

Negative
Polite
Formal Register
Physics