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Two equal and opposite forces with different lines of action form a:
ALever
BFulcrum
CWheel
DCouple
Answer & Solution
Correct answer: D. Couple
1. The forces cancel as a total force.
2. But their moments add.
3. Such a pair is a couple.
_Source: NCERT Class 11 Physics Part I, Chapter 7, Systems of Particles and Rotational Motion._
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