Mental Plex


운동량과 충격량


운동량은 물리학에서 물체의 속도와 질량에 관련된 물리량이다.

운동량을 \(\overrightarrow { p } \), 질량을 \(m\), 속도를 \(\overrightarrow { v } \)라고 하면, \(p\)는 다음과 같이 정의된다.
\[\overrightarrow { p } = m \overrightarrow { v }  \]


충격량은 어떤 시간 내의 운동량의 변화이다.

물체에 일정한 힘 \(\overrightarrow { F }\)가 시간 \(\Delta t\)동안 작용하면 충격량  \(\overrightarrow { I }\)는 다음과 같다.
\[\overrightarrow { I } = \overrightarrow { F } \cdot \Delta t \]


위키백과 - 운동량
위키백과 - 충격량

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