Video narration
Watch this metal spring: push it in… it compresses. Let go… it snaps back. That’s the magic—springs store energy when you squeeze or stretch them, then release it to return to their original shape. Store Energy ⚡: Compressing the coils packs elastic energy inside the metal. Now three everyday mechanisms. In a ball pen, the tiny spring stores energy when you click, then pushes the tip back to position. Absorb Shock 🚗: In car suspension, the spring compresses over bumps, soaking up vibration so the car stays stable. Return Motion ↩️: In a door lock, a spring resets the latch after you turn the key, ready for the next use. So remember: SPRING = COMPRESS → STORE ENERGY → RETURN. Mech Learning Hub—subscribe for more quick mechanics.