A spiral spring was stretched by 4.0 mm when a force of 5.0 N was attached to it. What will be the extension if the force is increased by 80%?

University of Ilorin PHY103 2025 past question

  1. 4.5 mm
  2. 6.7 mm
  3. 7.2 mm
  4. 5.5 mm

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