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