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The turning of couple - class-XII

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Multiple Answers

Which of the following is/are the properties of moment of a couple?

  1. It tends to produce pure rotation.
  2. It is different about any point in the plane of lines of action of the forces.
  3. It can be replaced by any other couple of the same moment.
  4. The resultant of set of two or more couples is equal to the sum of the moments of the individual couples.
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