TNPSC Thervupettagam

Breaking Newton's laws of motion

November 5 , 2023 387 days 654 0
  • Newton's third law of motion is one of the most well-known laws of physics, which states, "For every action, there is an equal and opposite reaction.
  • But the biological swimmers such as sperm, this may not be the case.
  • The human sperm and Chlamydomonas algae can swim by deforming their bodies in a way that does not elicit a response from their surroundings.
  • Both sperm cells and Chlamydomonas algae employ hair-like appendages known as flagella to facilitate movement.
  • They go against Newton’s third law because they don’t trigger an equal and opposite reaction from their environment.

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