Physics Knowledge and Understanding (HSC SSCE Physics): Flashcards

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Physics knowledge and Understanding
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Core subject matter of physics

Matter, energy, and their interactions

5 major areas of physics

Mechanics, waves, thermodynamics, electromagnetism, quantum

5 core concepts linking all physics

Motion, forces, energy, conservation, quantisation

Projectile motion

Motion under constant gravitational force, no air resistance

Centripetal force points

Towards the centre of the circular path

Motors convert energy

Electric potential energy to kinetic energy

Light's dual nature

Behaves as both wave and particle

Photons

Discrete particles of light carrying specific energy

Quantisation means

Physical quantities exist in discrete amounts at quantum scales

E=mc2E = mc^2 relates

Mass and energy (mass is a form of energy)

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