NEET Physics Equilibrium of Forces Assertion Reason Question
Assertion (A): A particle is in equilibrium if the vector sum of forces acting on it is zero. | Reason (R): In equilibrium, forces can be represented by the sides of a closed polygon taken in the same sense.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
The vector sum of forces being zero implies equilibrium, and this can be visually represented by forces forming a closed polygon, as per the NCERT context.
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