physics chapter 2 Flashcards Preview

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Flashcards in physics chapter 2 Deck (23):
1

a simplified version of a motion diagram in which the object in motion is replaced by a series of single points

particle model

2

a series of images showing the positions of a moving object at equal time intervals

motion diagram

3

tells you the location of the zero point of the variable you are studying and the direction in which the values of the variable increase

coordinate system

4

the point at which both variables have the value zero

origin

5

quantities that have both size (magnitude) and direction

vectors

6

quantities that are just numbers without any direction

scalars

7

the vector that represents the sum of the other two vectors

resultant

8

time, distance, temperature, volume, speed

scalars

9

increase/decrease in temperature, velocity

vector

10

the difference between two times

time interval

11

change in position

displacement

12

data presented by plotting the time data on a horizontal axis and the position data on a vertical axis

position-time graph

13

the speed and direction of an object at a particular instant

instantaneous position

14

the slope of a position-time graph for an object

average velocity

15

absolute value of the slope of a position-time graph

average speed

16

the slope of the line tangent to the curve on a position-time graph at a specific time is the...

instantaneous velocity

17

the magnitude of a vector is always

positive

18

the distance and direction between two positions

displacement

19

displacement

vector quantity

20

a quantity that tells you only magnitude

scalar quantity

21

ratio of total distance traveled to the time interval

average speed

22

the magnitude of velocity

speed

23

the magnitude of displacement

distance