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WBCS Main Examination 2023 — Paper IV: General Studies II · Question 1 of 200

Q1
General SciencePhysics
Powndal is a unit of
  1. a.mass
  2. b.weight
  3. c.momentum
  4. d.energy

Answer: (B) weight

The poundal is the absolute unit of force in the FPS system (the force that gives 1 lb an acceleration of 1 ft/s²). Weight is a force, so of the options given it is the quantity measured in poundals. Mass is measured in pounds, momentum in lb·ft/s and energy in foot-poundals, so A, C and D are wrong.

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