Two forces each of 4 N act on the opposite sides of a rectangular plate…

Physics WAEC 1990

Two forces each of 4 N act on the opposite sides of a rectangular plate as shown in the diagram above. Calculate the magnitude of g the couple acting on the plate.

  • 6.4 Nm
  • 3.2 Nm
  • 1.6 Nm checkmark
  • 0.8 Nm
  • 0.0 Nm

The correct answer is: C

Explanation

couple moment = F x d = 4 x 0.4 = 1.6Nm
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