Monday, September 28, 2026

SPM Physics: AHA! Momentum Trap – Bigger Balloon ≠ Bigger Momentum

 


Students often fall into the trap: “larger balloon means larger total momentum.” Physics says otherwise.

  • Before release: Total momentum = 0.

  • After release: Balloon moves left, air escapes right.

  • Their momenta balance each other.

  • Total momentum remains ZERO.

Exam tip: don’t just look at the balloon. Examiners want you to consider the whole system. The scoring clue is conservation of momentum.

This comic shows: bigger balloon doesn’t mean bigger total momentum. The system always balances.

AHA! Bigger balloon, same momentum. Not by sight, but by INSIGHT!

#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight

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