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Scalar And Vector Quantities
Scalar And Vector Quantities
Scalar And Vector Quantities
Scalar And Vector Quantities
Scalar And Vector Quantities
Scalar And Vector Quantities
Scalar And Vector Quantities
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Scalar And Vector Quantities

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Transcript

  • 1. Scalar and vector quantities
  • 2. Mass
    • Mass is the amount of ‘stuff’ - measured in kilograms
    • It is a scalar quantity because it is fully described by a size
  • 3. Weight
    • Weight is a vector quantity because it has direction ( the weight of an object pushes down due to gravity)
  • 4. Speed
    • This is a scalar quantity because it is fully described by a size
    The mir space station orbits the Earth at great speed – but it has no velocity because it is going nowhere
  • 5. Velocity
    • Velocity is a vector quantity because it has direction
    At launch, the space shuttle has both speed and direction – so it has velocity
  • 6. Scalar or vector ?
    • An astronaut floating in space ?
    • A champagne cork popping ?
    • A cyclist going round a circular track ?
    • A cyclist in the tour de France ?
    • A weather satellite ?
    • A stationary bus ?
  • 7. Homework
    • Make a list of 5 things that are:
      • Vector quantities
      • Scalar quantities
      • Do not use any examples from today's lesson

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