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Engery Transfer

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When energy is used it does no dissapapear, it changes/transfer to a different form of energy

Energy cannot be created or destroyed it can only be transferred from one form to another

Forms of Energy

• heat/thermal
• light
• sound
• kinetic
  • gravitational potential
  • elasitc potential
• nuclear
• electrical

word done = force x distance moved =x Joules

power = work done/time taken = x j/s = watts

Pressure

• Pressure = force/area = x N/m²
• a measure of how concentrated or spread out a force is
• small area = large pressure
• large area = small pressure
• In a liquid pressure increases with depth
• In a liquid pressure is the same in all directions

About the Author

by: Admin
Total views: 2571
Word Count: 311
Date: Mon, 22 May 2006 Time: 12:00 AM
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