NEET UG PHYSICS MCQ: MOTION IN PLANE

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Understanding +4 | -1

Two vectors

\vec{A}

and

\vec{B}

are such that

\vec{A}+\vec{B}=\vec{C}

and

A^2+B^2=C^2

. Which of the following statements is correct?

View answer and explanation

Correct option: A

\vec{A}

is perpendicular to

\vec{B}

Option A (

\vec{A}

is perpendicular to

\vec{B}

) is correct because the equation

A^2 + B^2 = C^2

implies that the vectors

\vec{A}

and

\vec{B}

form a right-angled triangle, meaning they are perpendicular.

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\mathrm{\vec a}\,and\,\mathrm{\vec b}

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A

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\overrightarrow{\mathrm{A}}

\overrightarrow{\mathrm{B}}

{\cot ^{ - 1}}\left( 2 \right)