Key term for OCR GCSE Physics A, used in Beyond Earth.
A stable state in a star where the inward gravitational pull is exactly balanced by the outward radiation pressure.
Equilibrium appears in OCR GCSE Physics A revision content for Global challenges, especially Beyond Earth and Lifecycle of a star.
Global challenges
Beyond Earth • Lifecycle of a star
Forces
Forces in action • Rotation
Forces
Newton’s laws • Equilibrium
Forces
Newton’s laws • Resultant forces
Forces
Newton’s laws • Terminal velocity
Forces
Newton’s laws • Resolution of forces
Forces
Newton’s laws • Newton’s first law
Forces
Newton’s laws • Forces as vectors
Forces
Newton’s laws • Newton’s third law
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