Vectors-Princeton AP Physics I
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Last updated 2:43 PM on 7/13/22
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10 Terms
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Vectors
a quantity that involves both magnitude and direction.
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Scalar Multiplication
A vector can be multiplied by a scalar (by a number), and the result is a vector.
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Commutative Law for Addition
Two vectors are equal when they have the same magnitude and the same direction
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Vectors
a quantity that involves both magnitude and direction.
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Vector Substraction
not commutative, you must perform the subtraction in the order stated in the problem
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Two-Dimensional Vectors
Vectors that lie plat in a plane and can be written as the sum of the horizontal vector and a vertical vector.
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Vector Addition
Add the respective components
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Vector Subtraction
Subtract the respective
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Magnitude of a Vector
Can be computed by the Pythagorean Theorem
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Direction of a Vector:
Can be specified by the angle it makes with the positive x-axis
Note 
Flashcards (23)