how to calculate magnitude of vector and position vector?
Asked by Gayatri Narkhede | 1st Aug, 2014, 05:13: PM
Consider a point P in space.It can be specified by three coordinates x,y,z. Another way to specify this point is by joining this point P from origin O.Then the vector specifies the position in space and is called the position vectior as it specifies a point(position) in space.
Let , can be resolved into three components along x,y and z axes.Let , and be the unit vector along x, y and z axes.
then position vector can be written as
The magnitude of a vector can be determined by using Pythagorean theorem.The magnitude of position vector is
It represents the distance from the origin to that point on the coordinate system
Answered by Jyothi Nair | 3rd Aug, 2014, 10:23: PM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number