Kinematics Question 46

Question: Assertion : Minimum number of non-equal vectors in a plane required to give zero resultant is three. Reason : If $ \vec{A}+\vec{B}+\vec{C}=\vec{0}, $ then they must lie in one plane

Options:

A) If both assertion and reason are true and the reason is the correct explanation of the assertion.

B) If both assertion and reason are true but reason is not the correct explanation of the assertion.

C) If assertion is true but reason is false.

D) If the assertion and reason both are false.

Show Answer

Answer:

Correct Answer: B

Solution:

For giving a zero resultant, it should be possible to represent the given vectors along the sides of a closed polygon and minimum number of sides of a polygon is three.



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