我认为牛顿第三运动定律是最有价值的。
在书中，牛顿提出三个运动定律。
第三运动定律是容易示证的。
牛顿时的运动定律适用于地球上一切东西。
你们有谁知道这是，哪个经典运动定律吗？
So, that's — does anyone know which classical law of motion that would be?
牛顿第一运动定律并不是一看就能明白的。
Newton's first law of motion is not as self-evident as it may seem.
牛顿时的运动定律适用于地球上一切东西。
Newton's laws of motion do not single out a direction of time.
经典力学中有关质点系的运动定律已经表述得相当清楚。
The particle system movement rule has been stated clearly in the classical of force.
你可以用一根浇花使用的胶皮软管来说明牛顿的第三运动定律。
You can demonstrate newton's third law of motion with a garden hose .
你可以用一根浇花使用的胶皮软管来说明牛顿的第三运动定律。
You can demonstrate newton's third law of motion with a garden hose .
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