Force and Machines

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    Chapter 15 Force and Machines ( 7 videos)

      15.1: Tools
      Tools Used in Construction
    1. Tools Used in Construction
      2. Common Tools Used in Past
    2. Common Tools Used in Past
      15.2: Simple Machines
      Simple Machines
    1. Simple Machines
      15.3: Push And Pull
      Force
    1. Force
      2. Machines and uses of force
    2. Machines and uses of force
      15.4: Old And Modern Means of Transportation
      Modes of Transportation
    1. Modes of Transportation
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      2. Common Tools Used in Past
    2. Common Tools Used in Past