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  1. redwingjohnny reblogged this from imickeyd
  2. imickeyd reblogged this from seenthroughgreeneyes
  3. ilvadesoi reblogged this from seenthroughgreeneyes and added:
    The line of action of the weight of an object acts through its centre of mass. If the line of action of the weight is...
  4. seenthroughgreeneyes posted this