Study

Levers

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  • What is the fixed point on a lever called?
    Fulcrum
  • What is the lever used by a human arm to lift a weight classified as?
    Third-class lever
  • What is the mechanical advantage of a lever calculated by?
    Dividing the load arm by the effort arm
  • What is the point on a lever where the effort is applied called?
    Fulcrum
  • What is the lever in a system used to transfer?
    Force
  • What is the name of the simple machine that is part of a wheelbarrow along with a lever?
    Wheel and axle
  • What is the name of the Greek philosopher who formulated the principle of the lever?
    Archimedes
  • What is the ratio of the effort force to the total force exerted on the load by the lever called?
    Mechanical advantage
  • In which direction is the load moved in a second-class lever?
    In the same direction as the effort
  • What type of lever is a crowbar classified as?
    First-class lever