Local Interaction

  • The apple cannot be stuck back on the Tree of Knowledge; once we begin to see, we are doomed and challenged to seek the strength to see more, not less. (Arthur Miller)

When two bodies come in direct contact they may exchange contact forces, without the need of any medium transmitting the force. Contact forces between two bodies in contact are symmetric in the sense that the forces on ecah body have the same magnitude and opposite directions.

Contact forces are easy to grasp by intuition as a form of direct contact pressure.

Local interaction

To Think About

  • What is Newton’s 3rd Law?
  • What is pressure?




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