Vector projection of a vector 3hat{i} + 4hat{k} on Y- axis is

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3-1.Vectors

easy

The vector projection of a vector $3\hat i + 4\hat k$ on $Y-$axis is

$5$

$4$

$3$

$0$

Solution

(d)As the multiple of $\hat j$ in the given vector is zero therefore this vector lies in $XZ$ plane and projection of this vector on $Y-$axis is zero.

Standard 11

Physics

Explain the resolution of vector in three dimension.

medium

Three forces acting on a body are shown in the figure. To have the resultant force only along the $y-$ direction, the magnitude of the minimum additional force needed is ……….. $N$

medium

(AIPMT-2008)

If a vector $\overrightarrow P $ making angles $\alpha, \beta\ and\ \gamma$ respectively with the $X, Y$ and $Z$ axes respectively. Then ${\sin ^2}\alpha + {\sin ^2}\beta + {\sin ^2}\gamma = $

hard

The angles which a vector $\hat i + \hat j + \sqrt 2 \,\hat k$ makes with $X, Y$ and $Z$ axes respectively are

medium

Which of the following statement$(s)$ is are correct?

easy

The vector projection of a vector $3\hat i + 4\hat k$ on $Y-$axis is

Solution

Similar Questions

Explain the resolution of vector in three dimension.

Three forces acting on a body are shown in the figure. To have the resultant force only along the $y-$ direction, the magnitude of the minimum additional force needed is ……….. $N$

If a vector $\overrightarrow P $ making angles $\alpha, \beta\ and\ \gamma$ respectively with the $X, Y$ and $Z$ axes respectively. Then ${\sin ^2}\alpha + {\sin ^2}\beta + {\sin ^2}\gamma = $

The angles which a vector $\hat i + \hat j + \sqrt 2 \,\hat k$ makes with $X, Y$ and $Z$ axes respectively are

Which of the following statement$(s)$ is are correct?

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