1. Acceleration
Chapter 1, Section 3
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2. WHAT IS ACCELERATION?
__ACCELERATION__ is the rate at which velocity changes.
Velocity is __SPEED IN A GIVEN DIRECTION__
Acceleration refers to __INCREASING SPEED__. __DECREASING SPEED__, or __CHANGING DIRECION__.

3. INCREASING SPEED
A car that begins to move from a __STOPPED__ position or __SPEEDS UP__.

4. Increasing speed
An example of something increasing speed would be a dude about to get body slammed on the canvas! See below

5. DECREASING SPEED
A car __STOPPING__ at a stop sign is called __DECELERATION__, or negative acceleration.

6. Decreasing speed
An example of something decreasing speed would be a car locking up it’s brakes

7. CHANGING DIRECTION Acceleration can be a change in __DIRECTION__.
Examples: __TURNING A CORNER__ and __SWITCHING LANES__

8. Changing direction
An example of something changing direction would be a loop roller coaster

9. CALCULATING ACCELERATION
Acceleration = __FINAL SPEED - INITIAL SPEED__ /__TIME__
Speed is measured in meters per second (m/s) and time is measured in seconds, the SI unit of acceleration is __METERS PER SECOND PER SECOND, or M/S2
Meters per second per second means __EVERY SECOND THE SPEED INCREASES BY THE SPEED__
Eureka! (Acceleration) (4:51)

10. GRAPHING ACCELEREATION
The 2 types of graphs that can be used are __DISTANCE–VERSUS–TIME and SPEED– VERSUS–TIME__.

11. SPEED – VERSUS – TIME GRAPH
The line slants __UPWARDS__ means your speed is increasing.
__STRAIGHT LINE__ means acceleration is constant
__STRAIGHT and SLANTED LINE__ mean accelerating at a constant rate.
To calculate the slope, choose __ANY 2 POINTS ON THE LINE__. Then, __DIVIDE THE RISE BY THE RUN__.

12. DISTANCE – VERSUS – TIME GRAPH
A __CURVED LINE__ means that an object is accelerating.
Brain Pop - Acceleration (2:51)