Potential%20 - PowerPoint PPT Presentation

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Potential%20

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Potential Energy. Stored energy. Energy of position. The amount of usable energy in a body at rest. Sometimes called GRAVITATIONAL POTENTIAL ENERGY – PowerPoint PPT presentation

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Title: Potential%20


1
Potential Kinetic Energy
2
Energy
  • The ability to do work
  • The ability to cause matter to move
  • The ability to cause matter to change
  • Measured in joules calories

3
Types of Energy
  • Radiant (light, electromagnetic)
  • Nuclear (atomic)
  • Mechanical
  • Heat (thermal)
  • Sound
  • Chemical
  • You will see other types or forms of energy in
    books and on the Internet

4
Energy can be divided into two general
categories
  • Potential
  • Kinetic

5
Potential Energy
  • Stored energy
  • Energy of position
  • The amount of usable energy in a body at rest
  • Sometimes called GRAVITATIONAL POTENTIAL ENERGY

6
Potential Energy
  • Can be calculated mathematically
  • PE (weight) (height)

7
Potential energy can be increased by
  • Increasing height
  • Increasing mass

8
Example
9
Kinetic Energy
  • Energy of motion
  • Energy an object has because it is moving

10
Kinetic Energy
  • Can be calculated mathematically
  • KE (mass x velocity2)/2

11
Kinetic energy can be increased by
  • Increasing mass
  • Increasing speed

12
Example
13
Another Example
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