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  • What is the type of simple machines of this tools? Identify the effort, fulcrum and load!
    2nd-class lever
  • What is the type of simple machines of this tools? Identify the effort, fulcrum and load!
    first-class lever
  • What's effort?
    the force we apply to do work
  • What is the load?
    The object the effort moves or overcomes
  • Point out the parts of lever!
  • What type of lever is this? Please point out its part!
    third-class lever
  • What you can conclude about the way to reduce the effort to lift the load?
    The effort to lift the load is reduced when the fulcrum is placed closer to the load
  • What's the function of first-class and second-class lever?
    Multiplying the force to produce a greater force.
  • Is it true that simple machine reduce the amount of work that we do?
    False, machines don't reduce the amount of work but they can make it easier or faster for us to do the same work
  • What was done to enable the load to be lifted in Diagram D?
    A longer lever was used to lift the load.
  • Mention 3 functions of simple machine!
    1. Multiplying the force
  • What is the fulcrum?
    The point at which the lever is resting.
  • What type of simple machines is this?
    second-class lever
  • What can you conclude about this way to reduce the effort to lift the load?
    The effort to lft the load is reduced when a longer lever is used.
  • Point it out!
  • What was done to enable the load to be lifted in diagram B?
    The fulcrum was moved closer to the load.
  • Point out each parts of lever!
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