contact and non-contact forces

• • aforce is a push or pull that acts on an object due to the interaction with another object
• • forces are either contact or non-contact forces
  • contact forces are objects that are physically touching
  • non-contact forces are objects that are physically seperated
• • when two objects interact, a force is produced on both objects
  • an interacting pair is a pair of forces that are equal and opposite and act on two interacting objects