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Physics

The S.I. unit of force is:

  1. dyne
  2. g cm s-2
  3. Newton
  4. Joule

Laws of Motion

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Answer

Newton

Reason — As F = m x a, on this basis, the S.I. unit of force is newton.

One newton is the force which when acts on a body of mass 1 kg, produces an acceleration of 1 ms-2. i.e., 1 newton = 1 kg x 1 ms-2.

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