Answer
NEWTON’S THIRD LAW
牛頓第三運動定律
WINDOW QUESTION · ANSWERSTEAM SQUAD
The question
WHICH OF NEWTON’S LAWS EXPLAINS AIR MOVING BACKWARDS WHILE THE BALLOON MOVES FORWARDS?
空氣向後噴出、氣球向前移動，展示的是牛頓第幾運動定律？
Why it works
EVERY ACTION HAS AN EQUAL AND OPPOSITE REACTION
每一個作用力，都有大小相等、方向相反的反作用力
See it in action · THE BALLOON ROCKET
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