time graphs Flashcards
list three types of motion graphs
- Position-Time Graph
- Velocity-Time Graph
- Acceleration Graph
a Position-Time Graph represents
correlation between position (location in regards to a reference point) and time
velocity time graphs show
speed in a direction at a specific time
Acceleration-Time Graphs tell us…
the overall change in velocity throughout a trip
the 3 steps when reading a graph are:
- identify which graph
- is it at rest, constant velocity OR changing velocity?
- is this happening in the positive or negative direction?
the slope of a position time graph
shows velocity (speed in either direction)
the slope of a velocity time graph
acceleration (changes in velocity) in any direction
the slope of an acceleration time graph
speeding up or slowing down (accleration) → in which direction
how zero acceleration vs at rest? on an acceleration time graph
zero acceleration = when an object remains at constant velocity
at rest: no acceleration
what is slope?
when y gets closer to 0 while increasing in x → slope in decreasing (opposite is true)
a line at 0
is at rest
horizontal line at any other # =
= constant velocity/acceleration
On D-T Graph, at rest means
no change in position
On D-T Graph, a horizontal line NOT at 0 means…
constant/uniform change in position over time
V-T graph: with a horizontal line at 4 =
uniform change in acceleration at every interval of time
