Honors Physics - Vectors

# Honors Physics - Vectors - Vectors and Scalars Honors...

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Vectors and Scalars Honors Physics

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Scalar A SCALAR is ANY quantity in physics that has MAGNITUDE , but NOT a direction associated with it. Magnitude – A numerical value with units. 1000 calories Heat 15 years Age 10 m Distance 20 m/s Speed Magnitude Scalar Example
Vector A VECTOR is ANY quantity in physics that has BOTH MAGNITUDE and DIRECTION. 5 N, West Force 10 m/s/s, E Acceleration 20 m/s, N Velocity Magnitude Vector F a x v r r r r , , , Vectors are typically illustrated by drawing an ARROW above the symbol. The arrow is used to convey direction and magnitude.

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Applications of Vectors VECTOR ADDITION – If 2 similar vectors point in the SAME direction, add them. s Example: A man walks 54.5 meters east, then another 30 meters east. Calculate his displacement relative to where he started? 54.5 m, E 30 m, E + 84.5 m, E Notice that the SIZE of the arrow conveys MAGNITUDE and the way it was drawn conveys DIRECTION.
VECTOR SUBTRACTION - If 2 vectors are going in opposite directions, you SUBTRACT . s

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Honors Physics - Vectors - Vectors and Scalars Honors...

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