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# Acceleration

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### Acceleration

1. 1. Motion Continued Notes in two column format
2. 2. Acceleration <ul><li>Rate at which velocity changes </li></ul><ul><li>Can be direction or speed </li></ul><ul><li>Can be faster or slower </li></ul>23
3. 3. Acceleration <ul><li>= Final speed – Initial speed / Time </li></ul><ul><li>Ex: Final speed = 40 m/s Initial speed = 0 m/s </li></ul><ul><li>Time = 5 sec </li></ul><ul><li>A = (40 m/s – 0 m/s) / 5 s </li></ul><ul><li>A = (40 m/s) / 5 s </li></ul><ul><li>A = 8 m/s 2 </li></ul>24 *
4. 4. <ul><li>A = Final speed – Initial speed / Time </li></ul><ul><li>Ex: Final speed = 30 m/s </li></ul><ul><li>Initial speed = 10 m/s </li></ul><ul><li>Time = 2 sec </li></ul><ul><li>A = (30 m/s – 10 m/s) / 2 s </li></ul><ul><li>A = (20 m/s) / 2 s </li></ul><ul><li>A = 10 m/s 2 </li></ul>Raindrop 25
5. 5. Graphing Acceleration <ul><li>Speed vs. time </li></ul>26
6. 6. Graphing Acceleration <ul><li>Distance vs. time </li></ul>27
7. 7. Forces
8. 8. Force Unit Multiple <ul><li>A push or pull </li></ul><ul><li>Newton </li></ul><ul><li>Direction by arrow </li></ul><ul><li>Add or subtract </li></ul>37
9. 9. Unbalanced Balanced <ul><li>Change motion </li></ul><ul><li>No change in motion </li></ul>38
10. 10. Friction
11. 11. Friction <ul><li>Force created when two objects rub together </li></ul>43
12. 12. Types Static Sliding Rolling Fluid <ul><li>Non moving objects </li></ul><ul><li>Moving objects in direct contact </li></ul><ul><li>Wheel or ball in motion </li></ul><ul><li>Object pushes on fluid </li></ul>45
13. 13. 45
14. 14. Gravity Concept Mapping Notes
15. 15. <ul><li>46 </li></ul>Gravity Pulls object to each other
16. 16. <ul><li>46 </li></ul>Gravity Mass ↑ Distance ↓
17. 17. <ul><li>49 </li></ul>Gravity Mass ↑ Distance ↓ Free Fall Air Resistance
18. 18. <ul><li>50 </li></ul>Gravity Mass ↑ Distance ↓ Free Fall Air Resistance Projectiles