How Machines Do Work?

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Zusammenfassung der Ressource

How Machines Do Work?
  1. A machine is a device that makes work easier
    1. INPUT FORCE
      1. The force you exert on a machine
      2. OUTPUT WORK
        1. The machine exerts a force on you
      3. A machine can make work easier by three ways :-
        1. Changing direction
          1. Changing distance
            1. Changing force
            2. Mechanical Advantage is the no. of times a machine increases the force
              1. Output force over Input force
              2. Mechanical Effeceincy is the output work compared to the input work
                1. Output work over input work Times 100%
                2. The work is wasted due to friction, there is no effeceincy that is 100%
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