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- StudyBlue
- Kansas
- University of Kansas
- Physics
- Physics 211
- Murray
- Chapter 3

John R.

what is a scalar quantity?

a quantity that is fully described by a single number with units

what is a vector quantity?

a quantity having both a size and direction

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what is magnitude?

the mathematical term for the length or size or a vector

when are two vectors equal?

when they have the same magnitude and direction

what is a resultant vector?

the sum of two vectors

what is graphical addition?

the tip-to-tail method for adding vectors

what is the zero vector?

the product of a vector having zero length or magnitude

what are Cartesian coordinates?

this is a coordinate system with the axes perpendicular to each other, forming a rectangular grid

how many quadrants are there on a coordinate system?

4

what are component vectors?

these are the individual x and y vectors, parallel to the axes, that make up the initial vector

what is decomposition?

this is the process of breaking a vector down into its x and y components

what is a unit vector?

a vector that has a magnitude of 1, no units, and is parallel to the coordinate axis

name 4 mathematical ways vectors can be related

addition, subtraction, multiplication, division

what two letters are used to describe a vector on the x, y plan in vector notation?

i, j

which (i or j) is x and which is y

i is x, j is y

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