Cheatography
https://cheatography.com
Displacement and Distance
Displacement- vector extending from object's initial position to its final position |
Distance- scalar quantity representing the actual path followed by an object |
Distance equals displacement when the object travels in a straight line and does not reverse its direction |
Velocity and Speed
Velocity- vector describing the rate of displacement |
average velocity = displacement/time |
Instantaneous velocity- velocity at a specific time |
Speed- scalar calculating the rate of distance |
average speed = distance/time |
If an object travels in a straight line, then speed and velocity are interchangeable |
|
|
Acceleration
Acceleration- rate of change of velocity |
acceleration = change in velocity/time |
Uniform acceleration- magnitude remains constant; constant acceleration- magnitude and direction are constant |
If acceleration acts in the same direction as velocity: speed increases |
If acceleration acts in the opposite direction as velocity: speed decreases |
If acceleration acts perpendicularly to velocity: direction changes |
The acceleration of gravity is 10 m/s2 |
|
|
Kinematic Equations
vf2 = vi2 + 2ax |
vf = vi + at |
x = vi*t + 0.5at2 |
v=x/t or x=vt |
Kinematic Graphs
GRAPH |
SLOPE |
AREA |
Position (or distance) v. time |
Velocity |
N/A |
Velocity v. time |
Acceleration |
Displacement (change in position) |
Acceleration v. time |
N/A |
Change in velocity |
|
Created By
Metadata
Favourited By
Comments
No comments yet. Add yours below!
Add a Comment
Related Cheat Sheets