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Physics Medium PMS Uploaded: 06 Aug 2026

Which principle explains why airplanes can generate lift while flying?

  • A Pascal's Law
  • B Bernoulli's Principle
  • C Archimedes' Principle
  • D Newton's Third Law
Correct Answer: Option B — Bernoulli's Principle
Explanation:
Bernoulli's Principle explains that faster-moving air over an airplane wing's curved upper surface creates lower pressure compared to the slower air beneath, generating an upward lift force that helps sustain flight.
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