Which of the following is independent of the choice of co-ordinate system

  • A

    $\vec P + \vec Q + \vec R$

  • B

    $({P_x} + {Q_x} + {R_x})\hat i$

  • C

    ${P_x}\hat i + {Q_y}\hat j + {R_z}\hat k$

  • D

    None of these

Similar Questions

The resultant of two vectors at an angle $150^{\circ}$ is $10$ units and is perpendicular to one vector. The magnitude of the smaller vector is ....... units

The position vector of a particle is determined by the expression $\vec r = 3{t^2}\hat i + 4{t^2}\hat j + 7\hat k$ The distance traversed in first $10 \,sec$ is........ $m$

If $\vec{P}+\vec{Q}=\overrightarrow{0}$, then which of the following is necessarily true?

What vector must be added to the two vectors $\hat i - 2\hat j + 2\hat k$ and $2\hat i + \hat j - \hat k,$ so that the resultant may be a unit vector along $X-$axis

Given $A =3 \hat{ i }+4 \hat{ j }$ and $B =6 \hat{ i }+8 \hat{ j }$, which of the following statement is correct?