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# Energy transfer

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### Energy transfer

1. 1. 1. What is the relationship between spring compression and distance traveled? A. The farther the distance traveled, the more the spring is compressed B. The higher the energy the bigger the bars C. The more the spring is compressed, the farther the distance traveled D. The more the spring is compressed, the bigger the bars 2. What kind of relationship is elastic energy and compression? A. linear B. nonlinear 3. If the spring could be compressed 8cm, what do you think the bar would like?
2. 2. ReviewReview • Elastic energy • Factors that affect EPE: • Material • Stretch length • Non-leaner relationship
3. 3. Energy TransferEnergy Transfer • Energy TRANSFER is the passing of energy from one object to another object
4. 4. The total energy before the collision is equal to the total energy after the collision.
5. 5. Energy TransferEnergy Transfer • The transfer of energy is also called work • Work is done when a force moves an object a measureable distance
6. 6. Energy TransferEnergy Transfer •No movement = no work •Work = Force x distance
7. 7. Energy TransferEnergy Transfer • Power- is the rate of doing work or • The rate of transferring energy or • How fast or how slow energy is transferred