NEET UG PHYSICS MCQ: MOTION IN PLANE

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Analyzing +4 | -1

It is found that

\left| {A + B} \right| = \left| A \right|,

this necessarily implies

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Correct option: A

B = 0

Option A (

B = 0

) is correct because if the magnitude of A+B equals the magnitude of A, it implies B must be a zero vector.

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

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

\overrightarrow P \,\,.\,\,\overrightarrow Q = 0\,and\,\overrightarrow P \,\, \times \,\,\overrightarrow Q = 0

\overrightarrow Q \,and\,\overrightarrow R

\vec{A}=3 \hat{i}+4 \hat{j}

\vec{B}=6 \hat{i}+8 \hat{j}

A

B

\overrightarrow{\mathrm{A}}

\overrightarrow{\mathrm{B}}

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