Chapter 15- Physics

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Accounting

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Last updated 12:15 PM on 10/10/22
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20 Terms

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speed
the distance traveled by an object in a certain amount of time
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velocity
speed with direction
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scalar
measurement of magnitude
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vector
measurement of magnitude in a specific direction
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acceleration
a change in velocity per unit of time
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mass
the amount of matter in an object
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inertia
the tendency of an object to resist a change in motion
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friction
a resistant force which opposes motion
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gravity
the force that attracts two objects with mass towards each other
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Force
a push or pull which causes a mass to accelerate
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newtons 1st law
an object will travel at a constant velocity until acted upon by an unbalanced force
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newtons 2nd law
a mass will accelerate in the direction of the net force
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newtons 3rd law
every action force has an equal and opposite reaction force
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weight
the effect of gravity on a mass
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net force
the sum of all the forces acting on an object
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Newton (N)
unit of force needed to accelerate a mass of 1 kg at the rate of 1 m/s^2
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fluid friction
friction that occurs as an object moves through a fluid
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static friction
Friction that acts on objects that are not moving
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rolling friction
friction that occurs when an object rolls over a surface
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sliding friction
friction that occurs when one solid surface slides over another