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⚛️ KNOW SECONDARY · AGES 12–18

PHYSICS

⚡ From Newton's Apple to Quantum Weirdness!

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ANCIENT ERA
Before 1600
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SCIENTIFIC AGE
1600–1687
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NEWTON ERA
1687 Principia
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SPACE AGE
1957–present
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TODAY
Modern rockets & tech
⚙️ NEWTON'S THIRD LAW
TOPIC 04 · PHYSICS · ACTION & REACTION · CONSERVATION
PAGE 1 OF 5, UNDERSTANDING ACTION & REACTION
FORCE PAIRS
Comic illustration: FORCE PAIRS
EVERY ACTION HAS A REACTION
Newton's Third Law is almost poetic in its simplicity: forces always come in pairs. When you push on a wall, the wall pushes back on you with exactly equal force in the opposite direction. This law, verified millions of times every single day across the universe, reveals a fundamental truth about existence itself: nothing moves alone.
🎯 THE LAW
F₁ = -F₂: Every force has an equal opposite partner.
PUSH!
EVERYDAY PROOF
Comic illustration: EVERY ACTION HAS A REACTION, EVERYDAY PROOF
🤚 Your hand pushes table
← Table pushes hand back
⚖️ Equal forces, opposite directions
ROCKET LAUNCH
Comic illustration: EVERY ACTION HAS A REACTION, ROCKET LAUNCH
🚀 Rocket pushes gas DOWN
↑ Gas pushes rocket UP
🌌 Into space it flies!
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