# first law of motion

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Related to first law of motion: third law of motion
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## Synonyms for first law of motion

### a body remains at rest or in motion with a constant velocity unless acted upon by an external force

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References in periodicals archive ?
Against the views of these philosophers, one begins to see that inertia is an inherent principle and is natural in the Aristotelian sense by considering why Newton's First Law of Motion is also called the principle of inertia.
Explain how Newton's first law of motion allows heavier yo-yos to sleep longer.
Explain the action in terms of Newton's first law of motion.
According to Newton's first law of motion, when Newman's car slammed into the wall, his body continued flying at a constant velocity until a force--such as his seat belt--acted on it.
Meanwhile, thanks to Newton's first law of motion (see Nuts & Bolts, below), his body tried to continue on a straight path.
Newton's first law of motion describes it this way: An object moving at a steady velocity (speed and direction) keeps moving at that velocity unless acted on by an outside force.
The answer begins with Newton's first law of motion, or the law of inertia, which states that moving objects keep moving in a straight line unless acted on by an outside force.
Helping her maneuver is Newton's First Law of Motion
According to Newton's first law of motion, an object at rest remains at rest unless acted upon by an outside force.
This is where Newton's first law of motion comes into play.
Helping her maneuver is Newton's First Law of Motion (also called the law of inertia): An object at rest tends to remain at rest, and an object in motion tends to continue moving at a constant speed and in a straight line unless acted on by an outside force.
According to Newton's first law of motion (also called the law of inertia), he would continue moving horizontally until a force made him stop or change direction.
That squished-into-your-seat/flung-about feeling is a direct result of Newton's First Law of Motion.
One of those laws, Newton's first law of motion (also known as the law of inertia), says that when an object is moving in one direction, it will tend to keep moving in that direction.
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