Grade 12 Conservation of energy with non-conservative forces in PowerPoint

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Resource Description

  • Forces that store energy are called non-conservative forces
  • Examples – gravity, electric, magnetic, friction, air resistance, tension forces
  • Law of conservation of mechanical energy
  • Mechanical energy of an object is it’s potential energy + it’s kinetic energy
  • Gravitational potential energy = mass x gravity x height
  • Kinetic energy = half mass x velocity squared
  • Equations for work, energy, potential and kinetic
  • Conservation of energy in free fall
  • Conservation laws are obeyed by conservative forces , but are broken by non-conservative forces.

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