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SS1: PHYSICS – 1ST TERM

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  1. Introduction to Physics | Week 1
    4 Topics
    |
    1 Quiz
  2. Measurement I | Week 2
    3 Topics
    |
    1 Quiz
  3. Measurement II | Week 3
    6 Topics
    |
    1 Quiz
  4. Motion | Week 4
    5 Topics
    |
    1 Quiz
  5. Velocity-Time Graph | Week 5
    4 Topics
    |
    1 Quiz
  6. Causes of Motion | Week 6
    5 Topics
    |
    1 Quiz
  7. Work, Energy & Power | Week 7
    3 Topics
  8. Energy Transformation / Power | Week 8
    3 Topics
    |
    1 Quiz
  9. Heat Energy | Week 9
    5 Topics
    |
    1 Quiz
  10. Linear Expansion | Week 10
    7 Topics
    |
    1 Quiz

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SS1: PHYSICS – 1ST TERM Linear Expansion | Week 10 Applications of Expansivity
Lesson 10, Topic 7
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Applications of Expansivity

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Thermal expansion has uses in the following:

  1. Railway lines: Gaps are left between the lines to allow for expansion
  2. It causes sagging of telegraph wires
  3. Thermostat in fridges & Freezers and wires
  4. Expansion in bridges & building
  5. Electric fire alarm

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