A body remains at rest or in motion with a constant velocity unless acted upon by an external force.
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The first law of magic is as neutral as Newton's first law of motion.
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In other words, he had come to grasp the meaning of the first law of motion.
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Sir Isaac Newton's first law of motion was well illustrated at a fun science day in Dublin's Mansion House yesterday.
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But this fact, which is expressed in what we now term the first law of motion, was extremely difficult to grasp.
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The first law of motion is, that a ball once projected will fly on to all eternity with undiminished velocity, unless something checks.
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Aristotle's first law of motion says that the natural state of an object is at rest (not moving at a constant speed).
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The first law of motion teaches us that a body in motion, if acted on by no force, will move in a straight line.
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We are like a man who should endeavor to construct a perfect system of dynamics on the violation of Newton's first law of motion.
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Under such conditions, therefore, this part of Newton's First Law of Motion is physically conceivable.
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First Law of Motion
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Now what is the testimony of observation and experiment in regard to this part of the First Law of Motion?
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"That damn first law of motion again!" Jessica groaned.