Change in Motion, Laws of Motion

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Last updated 7:09 PM on 9/25/26
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17 Terms

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Direction

A straight path that an object can move along

<p>A straight path that an object can move along</p>
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Motion

The change in an object's position with respect to time and in comparison with the position of other objects used as reference points

<p>The change in an object's position with respect to time and in comparison with the position of other objects used as reference points</p>
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Speed

The rate of change of position (or distance traveled) with respect to time

<p>The rate of change of position (or distance traveled) with respect to time</p>
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Velocity

Speed with direction

<p>Speed with direction</p>
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Frame of Reference

A system that uses coordinates or background objects to establish position or to measure movement of a point in space

<p>A system that uses coordinates or background objects to establish position or to measure movement of a point in space</p>
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Acceleration

A change in velocity over time; includes increasing speed, decreasing speed, or a change in direction change velocity over time

<p>A change in velocity over time; includes increasing speed, decreasing speed, or a change in direction change velocity over time</p>
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Mass

a measure of how much matter is present in a substance

<p>a measure of how much matter is present in a substance</p>
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Force

a push or pull that can change the motion of an object

<p>a push or pull that can change the motion of an object</p>
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Newton (N)

unit of measurement for force

<p>unit of measurement for force</p>
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Spring Scale

a tool that measures a pulling force by the tension on the spring in units of newtons

<p>a tool that measures a pulling force by the tension on the spring in units of newtons</p>
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Net Force

the sum of all the forces acting on an object

<p>the sum of all the forces acting on an object</p>
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Inertia

the resistance of an object to change in its state of motion or rest

<p>the resistance of an object to change in its state of motion or rest</p>
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Newton's 1st Law (Law of Inertia)

an object at rest stays at rest, and an object in motion stays in motion unless acted on by an unbalanced force

<p>an object at rest stays at rest, and an object in motion stays in motion unless acted on by an unbalanced force</p>
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Newton's 2nd Law (Law of Acceleration)

acceleration is based on the object's mass and the force applied to it (force=mass x acceleration)

<p>acceleration is based on the object's mass and the force applied to it (force=mass x acceleration)</p>
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Newton's 3rd Law (Law of Action-Reaction)

for every action, there is an equal and opposite reaction.

<p>for every action, there is an equal and opposite reaction.</p>
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Interacting Objects

objects that affect one another

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Collide

to strike or hit something with any amount of force

<p>to strike or hit something with any amount of force</p>