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7.4 Class Notes

# 7.4 Class Notes - Section 7.4 Vectors Objective In this...

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Objective: In this section you will learn to write the component forms of vectors, perform basic vector operations, and find the direction angle of vectors. You will also learn to find the dot product of two vectors and find the angle between two vectors. I. Introduction A scalar is a _______________________ _____________________. What are some things that we can measure with scalars? Sometimes we need to measure things that include both a magnitude and a direction . This is when we need vectors. Examples: A vector is a _________________________ _____________________ _______________________. The length of the line segment is the __________________________ of the vector, and the direction of the vector is measured by an angle. For the vector Q , P is the ____________________ point and Q is the ____________________ point. P If we label the above vector as vector v , we can write it as v , PQ , v , or PQ . The magnitude of the directed line segment PQ , denoted by _____________, is its ____________________. Equivalent vectors have the same _______________________ and _____________________________. Thus we can place our vectors in standard position on our coordinate system. Section 7.4 - Vectors

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II. Component Form of a Vector
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7.4 Class Notes - Section 7.4 Vectors Objective In this...

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