Physics

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8 Terms

1
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What is the difference between a scalar and a vector?

Scalars have only magnitude (e.g., mass, temperature). Vectors have both magnitude and direction (e.g., velocity, displacement, force).

2
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How are vectors represented graphically?

As arrows: the length shows magnitude and the arrowhead shows direction.

3
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What does A⃗\vec{A}A or bold A represent?

A vector quantity.

4
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How do you add two vectors graphically?

5
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6
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unit vector

vector that has a magnitude of 1 and points in a particular direction (i,j,k)

7
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multiplying vector by scalar

vector * s = vector(absolute value of (s))

8
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multiplying vector by vector

vector a * b = abcos(theda)