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2013-05-23 12:21
求翻译:Newton’s First law of motion adds to Galileo’s ideas. It says that an object that is at rest (an object that’s not moving) will stay at rest unless a force acts on it. This law also says that a moving object wil keep moving at the same speed and in the same direction unless a force acts on it. In other words, an object是什么意思?![]() ![]() Newton’s First law of motion adds to Galileo’s ideas. It says that an object that is at rest (an object that’s not moving) will stay at rest unless a force acts on it. This law also says that a moving object wil keep moving at the same speed and in the same direction unless a force acts on it. In other words, an object
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