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# Concept Map

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### Concept Map

1. 1. 1. Which picture below illustrates the concept of energy transformation? 2. Which picture below illustrates the concept of energy transfer? 3. In picture A, the total energy before the collision the total energy after the collision. A. is less than B. is greater than C. is equal to 4. In picture B, the total energy before the car stops the total energy after the car stops. A. is less than B. is greater than C. is equal to A B B A
2. 2. Force A push or a pull Defined as Friction Example
3. 3. Friction A force that acts to reduce slipping between two surfaces Defined as Mass and surface conditions Affected by Static Kinetic The friction of objects at rest The friction of objects in motion Defined as Defined as Two types are
4. 4. Elastic Force A push or a pull Example Force produced from stretched materials Material and stretch length Linear relationship Defined as Affected by Is a
5. 5. Energy The ability to make things move Defined as Energy of objects at rest Energy of objects in motion GPE KE
6. 6. Energy of objects at rest Energy of objects in motion Mass and height Mass and speed GPE = mgh KE = 1/2mv2 Affected by Affected by Formula Formula
7. 7. Energy Energy stored in stretched or compressed materials Affected by Elastic Material and stretch length Non-Linear relationship Is a
8. 8. Energy Work A car crashing into a non-moving car Equals no work Can be transferred Example No movement
9. 9. A car crashing into a non-moving car Rate of doing work Power is How fast or slow energy is transferred Or
10. 10. Energy Can be transformed GPE to KE on a rollercoaster The Law of Conservation of Energy Must obey Energy is not created or destroyed, just changed Defined as