Interactive Demo: Newton's Laws

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Newton's First Law
An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force.
Inertia & Mass
Inertia is the resistance to acceleration. Mass is the quantitative measure of inertia—heavier objects need more force to change their motion.
Real-World Applications
Seatbelts exploit inertia to protect passengers. Rockets need continuous thrust to overcome Earth's gravitational pull. Ice skaters glide longer due to low friction.

🔗 Golden Thread Connections

This concept connects to: Momentum Conservation • Angular Motion • Gravitational Theory

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Gargoyle Guard
A common misconception: Many think objects stop moving on their own. Actually, friction and air resistance are the external forces that slow things down!
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