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| a quantity that requires both magnitude and direction for a complete description. |
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arrow whose length represents the magnitude of a quantity and whose direction represents the direction of quantity. ----------------> .5 inch= 20 mph scale represents 40mph to the right. |
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| when one vector is "resolved" into two component vectors at right angles to eachother. |
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| The process of determining the components of the given vector. |
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| anything that moves through the air. |
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| a projectile travelling fast enough to fal around Earth rather than into it. |
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| name given to the force that acts between materials that touch as they move past eachother. |
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| Newton's First Law (Law of Inertia.) |
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| Every Object continues in a state of rest, or of motion in a straight line at a constant speed, unless it is compelled to change that state by forces exerted upon it. |
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| the quantity of matter in an object. |
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| Force of gravity upon an object. |
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| the combination of all forces acting on an object. |
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| Support Force/Normal Force |
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When a book is lying on a table. The support force is the table. |
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