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IGCSEPhysics: Co-ordinated Sciences (Double Award)CIERevision Notes1. Motion, Forces & EnergyEffects of ForcesEquilibrium

Equilibrium (CIE IGCSE Physics: Co-ordinated Sciences (Double Award))

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Equilibrium

  • In physics, the term equilibrium means:

A state of balance or stability

  • In other words, a system in equilibrium keeps doing what it’s doing without any change

Conditions for equilibrium

  • For objects in equilibrium:
    • The forces on the object must be balanced
      • There must be no resultant force
    • The sum of clockwise moments on the object must equal the sum of anticlockwise moments
      • There must be no resultant moment

 

Examples of systems in equilibrium

Equilibrium, IGCSE & GCSE Physics revision notes

When the forces and moments on an object are balanced, the object will remain in equilibrium

 

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    Leander

    Author: Leander

    Expertise: Physics

    Leander graduated with First-class honours in Science and Education from Sheffield Hallam University. She won the prestigious Lord Robert Winston Solomon Lipson Prize in recognition of her dedication to science and teaching excellence. After teaching and tutoring both science and maths students, Leander now brings this passion for helping young people reach their potential to her work at SME.