UrbanPro
true

Dot Product of Vectors

Om Prakash Mishra
24/09/2018 0 1

Dot or Scalar Product of Vectors

Dot Product of two vectors  A and is defines as product of magnitude of the vectors and cosine of the angle between them.

A•B = |A||B|CosT, Where T is the angle between the vectors A and B. 

It is a scalar quantity

Special Cases

(I) If two vectors are perpendicular to each other their dot product is Zero.

(ii) If two vectors and B are parallel their dot product is |A||B|.

If i, j, k are unit vectorsalong X, Y, Z axis respectively then 

i.i = 1

j.j = 1

k.k = 1

i.j = 0

j.k = 0

K.i = 0. 

 Note : Scalar product is commutative 

i.e. A.B = B.A

0 Dislike
Follow 2

Please Enter a comment

Submit

M

Mohanrao L | 23/12/2018

the magnitude of vector to depend angle ,

0 0

Other Lessons for You

How to Build Up Problem Solving Capacity for NEET?
How to build up the Concept for Solving problems of NEET ??? First of all, you need to understand the whole chapter very carefully. Don't leave any point o many concepts untouched and can read. Make a...

Joy Mukherjee | 26/07/2021

0 0
0

Frame of Reference
Frame of reference:When the position of a particle in space changes with time, it is said to be in motion. To describe motion, a frame of reference is needed first and foremost. The set of spatial coordinates...

Deepsikha Das | 02/06/2021

2 0
0

How to Solve Numericals in Physics?
Are you scared of numerical? Do you think you don't understand them? If yes, then read ahead. See, it might be any exam, but numerical won't leave your back. So let's talk about common problems and their...

Shuddhodan Sapre | 22/04/2021

0 0
0

Dual Nature of Radiation and Matter
Cathode Rays Cathode rays are the stream of fast moving electrons. These rays are produced in a discharge tube at a pressure below 0.01 rom of mercury. Properties of Cathode Rays Cathode rays are...

Akhilesh Kumar | 12/04/2021

0 0
0

Having trouble using Kinematic Equations?
How to use kinematic equations and when to use them? We all know the 3 kinematic equations which are S= ut + 1/2 at² V = u + at V²= u² + 2as Many students find it difficult to understand...

Shuddhodan Sapre | 11/04/2021

0 0
0

Looking to Learn?

Find best Tutors and Coaching Centers near you on UrbanPro.

FIND NOW

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
Sponsored
X

Find Tutors, Trainers & Institutes near you

Post requirement and connect with the tutors in your locality

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Want to learn something New?

Find best tutors, trainers & institutes near you on UrbanPro

Post your learning requirement

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more