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  • What is the main purpose of simple machines? A) To create new energy B) To make tasks easier and more efficient C) To build large structures
    B) To make tasks easier and more efficient
  • How do simple machines make work more efficient? A) By applying advanced technology B) By applying basic laws of physics C) By using more energy
    B) By applying basic laws of physics
  • Which of the following is an example of a first-class lever? A) A crowbar B) A wheelbarrow C) A car jack
    A) A crowbar
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