PS3A - 能量的定义


In this video Paul Andersen attempts to explain the age old questions - What is Energy? Even though it comes in many forms one of the defining characteristics of energy is that it is conserved over time. He then explains that all energy is either a function of motion, due to its position within a field or radiation.

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下一代科学标准物理科学纪律核心思想3A - 能源定义

在这个视频中,保罗安德森试图解释古老的问题 - 什么是能量?尽管它有许多形式,但其中一个能量特征是它随着时间的推移被保守。然后,他解释说,由于其在场或辐射内的位置,所有能量都是运动的函数。