Unit 3: Vectors And Coordinate Systems

Question 1

Scalar Quantity

Answer 1

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

Question 2

Vector Quantity

Answer 2

A quantity having both a size and a direction

Question 3

Magnitude

Answer 3

The mathematical term for the length or size of a vector

Question 4

Vector

Answer 4

A quantity having a magnitude and a direction

Question 5

Magnitude Quantity

Answer 5

The magnitude of a vector is a scalar quantity

Question 6

Equal Vectors

Answer 6

Two vectors are equal if they have same magnitude and direction

Question 7

Resultant Vector

Answer 7

The sum of two vectors

Question 8

Graphical Addition

Answer 8

The tip-to-tail method for adding vectors

Question 9

Zero Vector

Answer 9

Has zero length

Question 10

Quadrants

Answer 10

Quadrants I through IV on the coordinate system

Question 11

Component Vectors

Answer 11

Vectors parallel to the axes

Question 12

Decomposition

Answer 12

The breakdown of a vector into its coordinate vectors

Question 13

Component

Answer 13

The process of describing each component vector with a single number

Question 14

Unit Vector

Answer 14

A vector with a magnitude of 1, no units, and is parallel to a coordinate axis

Question 15

Algebraic Addition

Answer 15

Adding all the x-components of the individual vectors to give the x-component of the resultant and by adding the y-components of the individual vectors to give the y-component of the resultant