Motion 1 Position, Speed and Velocity 2 Graphs of Motion 3 Acceleration.
Velocity-Time Graphs What is it and how do I read one?
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Transcript of Velocity-Time Graphs What is it and how do I read one?
![Page 1: Velocity-Time Graphs What is it and how do I read one?](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f415503460f94c60710/html5/thumbnails/1.jpg)
Velocity-Time Graphs
What is it and how do I read one?
![Page 2: Velocity-Time Graphs What is it and how do I read one?](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f415503460f94c60710/html5/thumbnails/2.jpg)
Graphing Acceleration:Speed vs. Time Graphs
0
2
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0 1 2 3 4 5 6
Time (s)
Sp
ee
d (
m/s
)
Speed is increasing with time = accelerating
![Page 3: Velocity-Time Graphs What is it and how do I read one?](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f415503460f94c60710/html5/thumbnails/3.jpg)
Velocity-Time Graphs
1) Line is straight = constant velocity, zero acceleration
time (s)
velo
city
(m
/s)
N
S
Object is moving at a constant velocity North.
![Page 4: Velocity-Time Graphs What is it and how do I read one?](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f415503460f94c60710/html5/thumbnails/4.jpg)
Velocity-Time Graphs
A horizontal line on the V-T graph means constant velocity.
time (s)
velo
city
(m
/s)
N
S
Object is moving at a constant velocity South.
![Page 5: Velocity-Time Graphs What is it and how do I read one?](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f415503460f94c60710/html5/thumbnails/5.jpg)
Velocity-Time Graphs
If an object isn’t moving, its velocity is zero.
time (s)
velo
city
(m
/s)
N
S
Object is at rest
![Page 6: Velocity-Time Graphs What is it and how do I read one?](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f415503460f94c60710/html5/thumbnails/6.jpg)
Graphing Acceleration:Speed vs. Time Graphs
0
2
4
6
8
10
12
14
0 1 2 3 4 5 6
Time (s)
Sp
ee
d (
m/s
)
1)In Speed vs. Time graphs:Acceleration = Rise/Run = 4 m/s ÷ 2 s = 2 m/s2
Run = 2 s
Rise = 4 m/s
![Page 7: Velocity-Time Graphs What is it and how do I read one?](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f415503460f94c60710/html5/thumbnails/7.jpg)
Velocity-Time Graphs
V-T graph has positive slope.
time (s)
velo
city
(m
/s)
N
S
Positive velocity and positive acceleration: object is speeding up!
time (s)
velo
city
(m
/s)
N
S Negative velocity and positive acceleration: object is slowing down.
![Page 8: Velocity-Time Graphs What is it and how do I read one?](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f415503460f94c60710/html5/thumbnails/8.jpg)
Velocity-Time Graphs
V-T graph has negative slope.
time (s)
velo
city
(m
/s)
N
S
Positive velocity and negative acceleration: object is slowing down,
time (s)
velo
city
(m
/s)
N
SNegative velocity and negative acceleration: object is speeding up! (in negative direction)