Force and Motion, Force and Motion

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18 Terms

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friction

a force opposes the motion of another object; making the object slow down. Will create heat.

<p>a force opposes the motion of another object; making the object slow down. Will create heat.</p>
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gravity

A force of attraction between objects that is due to their masses.

<p>A force of attraction between objects that is due to their masses.</p>
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mass

the measure of the amount of matter in an object

<p>the measure of the amount of matter in an object</p>
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matter

Anything that has mass and takes up space

<p>Anything that has mass and takes up space</p>
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acceleration/force relationship

the more force you apply, the greater the acceleration

<p>the more force you apply, the greater the acceleration</p>
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acceleration/mass relationship

the greater the mass, the more force necessary to get an object to accelerate

<p>the greater the mass, the more force necessary to get an object to accelerate</p>
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weight

is a measure of gravitational force between earth and an object

<p>is a measure of gravitational force between earth and an object</p>
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speed

distance over time

<p>distance over time</p>
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velocity

speed in a given direction

<p>speed in a given direction</p>
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acceleration

change in velocity

<p>change in velocity</p>
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balanced forces

Forces equal in magnitude and opposite in direction resulting in an object NOT changing speed or direction

<p>Forces equal in magnitude and opposite in direction resulting in an object NOT changing speed or direction</p>
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unbalanced forces

Forces unequal in magnitude and opposite in direction resulting in an object changing speed or direction

<p>Forces unequal in magnitude and opposite in direction resulting in an object changing speed or direction</p>
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Inertia

resistance to change in motion

<p>resistance to change in motion</p>
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force

A push or pull that changes the motion of an object

<p>A push or pull that changes the motion of an object</p>
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Distance

The length of a path between two points

<p>The length of a path between two points</p>
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Newton's Second Law

The force of an object is equal to its mass times its acceleration.

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acceleration/mass relationship

the greater the mass of the object, the more force necessary to get an object to accelerate

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Newton's First Law

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.