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Bones Forces

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  • Earthquake forces causing buildings to slide off their foundations.
    Shear
  • A drill bit twisting into wood or metal.
    Torsion
  • A hammer pressing into a nail as it is driven into wood.
    Compression
  • Turning a doorknob to open a door.
    Torsion
  • A tug-of-war game where two teams pull on opposite ends of a rope.
    Tension
  • A fishing line being pulled tight when a fish is caught.
    Tension
  • A ballerina spinning on one foot.
    Torsion
  • Biting into a sandwich, where the top and bottom of the mouth move in opposite directions.
    Shear
  • Slipping on a wet floor and your feet going one way while your body goes the other.
    Shear
  • Hanging from monkey bars at the playground.
    Tension
  • Twisting open a water bottle cap.
    Torsion
  • Two cars brushing past each other in a minor accident.
    Shear
  • Standing with a heavy backpack on your shoulders.
    Compression
  • A chair supporting someone sitting on it.
    Compression
  • Getting tackled from the side while playing soccer.
    Shear
  • A suspension bridge’s cables stretching as they hold the weight of the bridge.
    Tension
  • A skier twisting their leg when they fall.
    Torsion
  • Stretching a rubber band before shooting it.
    Tension
  • Pressing your hands together to clap.
    Compression
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