simple machines

Anonymous
10 words 58 learners

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Full list of words from this list:

words only definitions & notes
  1. mechanical advantage
    the ratio of the force exerted by a machine to the force applied to it
    You can determine the ideal mechanical advantage of an inclined plane by dividing the length of the incline by its height.
  2. wheel and axle
    hoist so arranged that a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with the wheel
    There are six basic types of simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle and the pulley.
  3. simple machine
    a device for overcoming resistance at one point by applying force at some other point
    There are six basic types of simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle and the pulley.
  4. inclined plane
    a simple machine for elevating objects
    There are six basic types of simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle and the pulley.
  5. pulley
    a wheel with a groove in which a rope can run
    There are six basic types of simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle and the pulley.
  6. wedge
    something solid that can be pushed between two things
    There are six basic types of simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle and the pulley.
  7. screw
    a simple machine with a threaded cylindrical rod and hole
    There are six basic types of simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle and the pulley.
  8. fulcrum
    the pivot about which a lever turns
    The fixed point that a lever rotates about is called the fulcrum.
  9. lever
    a simple machine giving a mechanical advantage on a fulcrum
    There are six basic types of simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle and the pulley.
  10. friction
    the resistance when a body is moved in contact with another
    You can increase the efficiency of an inclined plane by decreasing friction.
Created on Mon Jan 25 14:22:50 EST 2010

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