NEET UG PHYSICS MCQ: MOTION IN PLANE

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Application +4 | -1

The unit vector in the direction of resultant of two vectors with components (2,4,-5) and (1,2,3) is

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Correct option: C

\frac{{3\bar i}}{7} + \frac{{6\bar j}}{7} - \frac{{2\bar k}}{7}

Option C (

\frac{{3\bar i}}{7} + \frac{{6\bar j}}{7} - \frac{{2\bar k}}{7}

) is correct because it represents the unit vector in the direction of the resultant of the two given vectors.

More Questions from MOTION IN PLANE

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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)