Assertion A: If A,B,C,D are four points on a semi-circular …

Physics Units, Dimensions and Measurement JEE Main 2021 MCQ (Single Correct)

Assertion A: If A,B,C,D are four points on a semi-circular arc with centre at 'O' such that , then

Reason R : Polygon law of vector addition yields

choose the most appropriate answer from the options given below :

A is correct but R is not correct.

A is not correct but R is correct.

Both A and R are correct and is the correct explanation of A.

Both A and R are correct but R is not the correct explanation of A.

Text Solution

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The correct answer is:

Polygon law is applicable in both but the equation given in the reason is not useful in explaining the assertion.

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