BrainGrain
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Class 10 · Physics
Newton's 3 Laws
of Motion
The rules behind everything that moves — in 60 seconds.
Law 1 · Inertia
👉⚽
An object stays still — or keeps moving — until a force acts on it.
🚌 Why you jerk forward when a bus brakes
Law 2 · Force
F = m × a
More mass needs more force to move. Force = mass × acceleration.
📦easy
📦hard
🛒 Empty trolley vs a full one
Law 3 · Action = Reaction
↑ rocket↓ gas🚀💨
Every action has an equal and opposite reaction.
🎈 Let go of a balloon — it zooms off!
Quick check 🤔
Which law saves you with a seatbelt?
A · 1st Law (Inertia)
B · 2nd Law (F = ma)
C · 3rd Law (Reaction)
✅ Inertia — your body wants to keep moving!
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