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1

bearing

angular direction measured from one position to another using geographical reference lines.

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2

components

the horizontal and vertical aspects of a vector

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3

direction

the course along which a vector moves

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4

equal vectors

have same magnitude and direction; corresponding components will be equal

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5

initial point

starting coordinates of a vector

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6

magnitude

length of a vector

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7

opposite vectors

have same magnitude but reversed directions

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8

parallel vectors

have the same direction but not necessarily the same magnitude

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9

resultant

the sum of the vectors acting on a particular object

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10

standard position

vector whose initial point is at the origin

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11

terminal point

ending coordinates of a vector

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12

vector

a directed quantity requiring both magnitude and direction; represented by a line in a plane with an assigned direction

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13

velocity

a vector quantity that is speed with a direction

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14

zero vector

represents no displacement

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15

scalar

a quantity determined solely by magnitude

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