It is found that \( |\mathbf{A}+\mathbf{B}|=|\mathbf{A}| \). This necessarily implies (a) \( |\m...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=0rR9SpOiOSI


Duration: 9:24
6 views
0

It is found that \( |\mathbf{A}+\mathbf{B}|=|\mathbf{A}| \). This necessarily implies
(a) \( |\mathbf{B}|=0 \)
(b) \( \mathbf{A}, \mathbf{B} \) are parallel
(c) \( \mathbf{A}, \mathbf{B} \) are perpendicular
(d) \( \mathbf{A} ; \mathbf{B} \leq 0 \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-07If two objects \( P \) and \( Q \) move along parallel straight lines in opposite direction with...
2022-11-07The position vector of particle changes with time according to the relation \( \mathbf{r}(t)=15 ...
2022-11-07The position vector of particle changes with time according to the relation \( \mathbf{r}(t)=15 ...
2022-11-07The direction of instantaneous velocity is shown by (a) (b) (c) (d) None of these
2022-11-07The \( x \) and \( y \)-coordinates of the particle at any time are \( x=5 t-2 t^{2} \) and \( y...
2022-11-07The position of a particle is given by \( \mathbf{r}=3 t \hat{\mathbf{i}}+2 t^{2} \hat{\mathbf{j...
2022-11-07Two vectors \( \mathbf{A} \) and \( \mathbf{B} \) have equal magnitudes. The magnitude of \( (\m...
2022-11-07Position vector \( \mathbf{r} \) of a particle \( P \) located in a plane with reference to the ...
2022-11-07Rain is falling vertically with a speed of \( 35 \mathrm{~ms}^{-1} \). Winds starts blowing afte...
2022-11-07A particle is moving such that its position coordinates \( (x, y) \) are \( (2 m, 3 m) \) at \( ...
2022-11-07It is found that \( |\mathbf{A}+\mathbf{B}|=|\mathbf{A}| \). This necessarily implies (a) \( |\m...
2022-11-07Suppose a particle moves along a curve shown by the thick line and the positions of particle are...
2022-11-07For two vectors \( \mathbf{A} \) and \( \mathbf{B},|\mathbf{A}+\mathbf{B}|=|\mathbf{A}-\mathbf{B...
2022-11-07Given, \( |\mathbf{A}+\mathbf{B}|=P,|\mathbf{A}-\mathbf{B}|=Q \). The value of \( P^{2}+Q^{2} \)...
2022-11-07Find the value of difference of unit vectors \( \mathbf{A} \) and \( \mathbf{B} \) whose angle o...
2022-11-07Two forces \( P \) and \( Q \) of magnitude \( 2 F \) and \( 3 F \), respectively,are at an angl...
2022-11-07Three vectors are given as \( \mathbf{P}=3 \hat{\mathbf{i}}-4 \hat{\mathbf{j}}, \mathbf{Q}=6 \ha...
2022-11-07Two vectors \( \mathbf{P} \) and \( \mathbf{Q} \) are inclined at an angle \( \theta \) and \( \...
2022-11-07A vector is inclined at an angle \( 60^{\circ} \) to the horizontal. If its rectangular componen...
2022-11-07Unit vector in the direction of the resultant of vectors \( \mathbf{A}=-3 \hat{\mathbf{i}}-2 \ha...
2022-11-07Consider vectors \( \mathbf{a}, \mathbf{b} \) and \( \mathbf{c} \) as \[ \begin{array}{l} \mathb...


Tags:
pw