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The Nature of Energy. Motion, Force & Energy Chapter 5.1 Pages 140-145. What is Energy?. Energy is the ability to do Work or cause a change Measured in Joules, like Work. Kinetic Energy. Kinetic Energy is the energy of motion All moving objects have Kinetic Energy ( KE )

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Presentation Transcript
The nature of energy

The Nature of Energy

Motion, Force & Energy Chapter 5.1

Pages 140-145


What is energy
What is Energy?

  • Energy is the ability to do Work or cause a change

    • Measured in Joules, like Work


Kinetic energy
Kinetic Energy

  • Kinetic Energy is the energy of motion

  • All moving objects have Kinetic Energy (KE )

  • What determines an object’s KE?

    • Mass & Velocity determine the KE of an object.


Potential energy
Potential Energy

  • Potential Energy (PE ) is stored energy

    • It has the potential or “possibility” to do work

  • Gravitational PE is energy that depends on height

  • Elastic PE is for objects that can be stretched.


Mechanical energy
Mechanical Energy

  • Energy associated with motion (KE & PE)


Thermal energy
Thermal Energy

  • Energy of particles in an object


Chemical energy
Chemical Energy

  • Energy stored in chemical bonds


Electrical energy
Electrical Energy

  • Moving electric charges


Electromagnetic energy
Electromagnetic Energy

  • Waves of energy, such as light


Nuclear energy
Nuclear Energy

  • The fusion or fission of atoms




Exit pass

Exit Pass

What is the difference between Kinetic and Potentialenergy? Give an example of each.


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