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ap physics 1 motion quiz!!

1

motion

a change in position

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2

frame of reference

a point against which position is measured

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3

displacement

straight line distance from the initial position to the final position

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4

true

T/F: displacement can be positive or negative

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5

displacement

change in position

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6

final position-initial position

formula for displacement

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7

positive

positive/negative: displacement to the right

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8

positive

positive/negative: displacement to the east

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9

negative

positive/negative: displacement to the left

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10

negative

positive/negative: displacement to the west

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11

positive

positive/negative: displacement up

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12

positive

positive/negative: displacement to the north

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13

negative

positive/negative: displacement down

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14

negative

positive/negative: displacement to the south

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15

average velocity

displacement divided by the time interval

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16

change in position/change in time

formula for average velocity

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17

m/s

SI units for average velocity

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18

true

T/F: speed does not include direction while velocity does

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19

speed

______________ uses distance instead of displacement

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20

zero

in a round trip, the average velocity is ______________

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21

distance traveled/time of travel

formula for average speed

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22

false

T/F: in a round trip, the average speed is zero

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23

constant speed

if the motion is a straight line on a position-time graph, it shows ______________

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24

positive

an object that has a constant velocity to the right would have a ______________ slope on a position-time graph

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25

positive

an object that has a constant velocity up would have a ______________ slope on a position-time graph

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26

zero

an object that has a constant velocity of zero would have a slope of ______________ on a position-time graph

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27

negative

an object that has a constant velocity to the left would have a ______________ slope on a position-time graph

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28

negative

an object that has a constant velocity downward would have a ______________ slope on a position-time graph

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29

instantaneous velocity

velocity at a single instant of time

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30

change in velocity/time required for change

formula for average acceleration

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31

m/s^2

the SI units for acceleration

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32

acceleration

the rate of change in velocity

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33

positive, positive

an object moving right as it speeds up would have a _____________ velocity and _____________ acceleration

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34

positive, negative

an object moving right as it slows down would have a _____________ velocity and _____________ acceleration

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35

negative, negative

an object moving left as it speeds up would have a _____________ velocity and _____________ acceleration

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36

negative, positive

an object moving left as it slows down would have a _____________ and _____________ acceleration

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37

acceleration

the slope of a velocity-time graph is the _____________

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38

average speed

the _____________ is the midpoint of a velocity-time graph

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39

(initial velocity + final velocity)/2

the formula for average velocity

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