Chapter 2 Study Guide Flashcards
(23 cards)
Displacement
Vector
->
Change in d = df - di
Position
Vector
->
d
Distance
Scalar
Velocity
Vector
Change in d/change in t = v
Speed
Scalar
Distance/Time
Acceleration
Vector
Change in v/change in t
Instantaneous velocity
The speed and direction if an object at a particular instant
Magnitude
Another term given for the size of a quantity
Distance def.
Location of an object relative to an origin
Time interval
The formula tf-ti
Vector
A quantity with both magnitude and direction
Average velocity
Ratio of the change in position to the time interval during which the change occurred
Coordinate system
A system that defines the zero point of the variable you are studying
Origin
Zero point
Position-time graph
A graph with time data on the horizontal axis and position data on the vertical axis
Motion diagram
Shows a series of images showing the position of a moving object over equal time intervals
Resultant
A vector that represents the sum of to or more vectors
Particle model
A simplified motion diagram that shows the object in motion as a series of points
Position def.
A scalar quantity that is the length it size of the displacement vector
Scalar
A quantity that has only magnitude
Instantaneous position
The location of an object at a particular instant
Displacement def.
The vector quantity that defines the distance and direction between two positions
Average speed
The absolute value of slope on a position-time graph
