How do contact forces differ from non-contact forces nme one specific example of each

Physics

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Contact forces require direct physical touch between objects to exert an influence, whereas non-contact forces act on objects without direct physical contact.

  • Contact Force Example: Friction (e.g., a book sliding across a table experiences friction from the table's surface).
  • Non-Contact Force Example: Gravity (e.g., the Earth's gravitational pull on the Moon, or an apple falling from a tree).
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