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can u explain vectors

can u explain vectors


 

Grade:

4 Answers

jaideep sangwan
16 Points
8 years ago

those quantities which requires  magnitude and direction both  for their representation and obeys parallelogram law of vector addition are called vectors.these are tensors of rank 1.

BAYANA SAGAR
48 Points
8 years ago

vectors:

             A Quantity having both magnitude and direction and obeys laws of vector addition is called a vector.

             Examples:Displacement,Velocity,Acceleration etc.,

 

Product of vectors:1)cross product 2)Dot product

 

Cross product:

The vector product of any two vectors is also a vector.

properties of cross product:1)Cross product does not obey commutative law.

2)Cross product obeys distributive law.         

srinu kummari
32 Points
8 years ago

Vector is a physical quantity which has both magnitude and direction and obeys law of vector addition and follows the laws of vector radiation.

Example:acceleration,force velacity,pressure

yours katarnak Suresh
43 Points
8 years ago
Scalar product:
The scalar product or dot product of two vectors A and B, denoted as A.B is defined as A.B=AB cos θ  where, θ is the angle between the two vectors. Since A, B and cosq are scalars, the dot product of A and B is a scalar quantity. Each vector A and B has a direction but their scalar product does not have a direction.
 
Vector product:
 
The vector product (cross product) of two vectors A and B is a vector C.
 
C= A×B = AB sin θ here,
(1)  The magnitude of vector C =C= AB Sinq
(2)  Direction of C is perpendicular to the plane containing A and B

The vector triple product is defined as the cross product of one vector with one cross product of other two.

 

If A, B and C are three vectors then its vector triple product is given by

A × (B × C) = (A × B) × C = (A · C) B –  (A · B) C

 

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