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Examples of forces and their interactions

Forces and motion • Force interactions

Key concepts

What you'll likely be quizzed about

  • Contact forces occur when objects are physically touching each other.
  • Examples include friction, which opposes motion, and tension, which is transmitted through a string or rope when it is pulled.
  • These forces result from the interactions between the surfaces in contact, affecting how objects move and behave in various conditions.

Flashcards

Test your knowledge with interactive flashcards

What is tension?

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Tension is a pulling force transmitted through a string, rope, or cable when it is pulled taut.

Key notes

Important points to keep in mind

Friction always opposes motion.

Tension pulls in a direction along the rope.

Gravity acts on all mass, pulling them toward Earth.

Magnetic forces can act over distances.

Contact forces require surface interaction.

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