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Energy

Energy. Potential and Kinetic. What is Energy?. Energy is the ability to do work . Work is done when a force causes something to move. Two Types of Energy. 1. Kinetic Energy. The energy of a moving object due to its motion.

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Energy

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  1. Energy Potential and Kinetic

  2. What is Energy? • Energy is the ability to do work. • Work is done when a force causes something to move.

  3. Two Types of Energy

  4. 1. Kinetic Energy • The energy of a moving object due to its motion. • Objects with more mass and/or speed have more kinetic energy.

  5. Examples of Kinetic Energy • A skier. • An arrow shot through the air. • A rollercoaster.

  6. When is kinetic energy the highest? • When the arrow is flying • At the bottom of the swinging pendulum • When the cannon is at maximum speed (A & E)

  7. 2. Potential Energy Gravitational Potential Energy (GPE) – any object that can fall has GPE. -Higher objects have more GPE because they can fall further. -Objects with more mass have higher GPE • The stored energy of an object due to its position.

  8. Examples of Potential Energy • A coconut in a tree. • Skateboard at the top of a ramp. • A book on a bookshelf.

  9. When is potential energy the highest? • When the bow is drawn • At the highest point of the pendulum swing. • When the cannon ball is highest

  10. Kinetic Vs. Potential Energy • Kinetic energy can be converted to potential energy and then back again depending on the object’s position and motion.

  11. Kinetic Vs. Potential Energy Example

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