A point P having the coordinate in space 4-2-3- Find the position vector of P - A- P -2 -4 -3 k-B- P -4 -3 -2 k-C- P -4 -2 -3 k-D- P -2 -3 -4 k-

The correct option is C P =4î + 2ĵ + nbsp;3k̂Let , , k̂ nbsp;are the unit vector in x, nbsp; y and z direction respectively. So, position vector of poin ...

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Standard XII

Physics

Introduction

A point P hav...

Question

A point $P$ having the coordinate in space $(4, 2, 3)$ . Find the position vector of $P$ ?

\to P = 2^i + 4^j + 3^k

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\to P = 4^i + 3^j + 2^k

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\to P = 4^i + 2^j + 3^k

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\to P = 2^i + 3^j + 4^k

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Solution

The correct option is C $\to P = 4^i + 2^j + 3^k$
Let $^ı$ , $^ȷ$ , $^k$ are the unit vector in $x$ , $y$ and $z$ direction respectively.
So, position vector of point $P$ become
$\to P = 4^i + 2^j + 3^k$

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Similar questions

Q. Forces

2^i + 7^j, 2^i - 5^j + 6^k, -^i + 2^j -^k

act at a point

P

whose position vector is

4^i - 3^j - 2^k

. Find the vector moment of the resultant of three forces acting at

P

about the point

Q

, whose position vector is

6^i +^j - 3^k

Q. Let

P, Q, R

and

S

be points on the plane with position vectors -

2^i -^j

4^i, 3^i + 3^j

and

- 3^j + 2^j

respectively, then the quadrilateral

P Q R S

must be a

Q. The position vector of four identical masses of mass

1 kg

each are

_{1} = (^i + 2^j + 7^k),_{2} = (3^i + 5^j +^k),

_{3} = (6^i + 2^j + 3^k)

and

_{4} = (2^i -^j + 5^k)

. Find the position vector of their centre of mass.

Q. Let

P, Q, R, S

be points on the plane with position vectors

- 2^i -^j, 4^i, 3^i + 3^j, - 3^i + 2^j

respectively.The quadrilateral

P Q R S

must be a

Q. The position vector of

P

4^i + 3^j

and the position vector of

Q

- 2^i + 5^j

. The vector

2 - - \to P Q

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A point P having the coordinate in space (4,2,3). Find the position vector of P ?

The correct option is C →P=4^i+2^j+3^kLet ^ı, ^ȷ, ^k are the unit vector in x, y and z direction respectively. So, position vector of point P become →P=4^i+2^j+3^k

A point $P$ having the coordinate in space $(4, 2, 3)$ . Find the position vector of $P$ ?

The correct option is C $\to P = 4^i + 2^j + 3^k$
Let $^ı$ , $^ȷ$ , $^k$ are the unit vector in $x$ , $y$ and $z$ direction respectively.
So, position vector of point $P$ become
$\to P = 4^i + 2^j + 3^k$