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sai teja Grade: 11
        
Hii... Any one of you guys can explain about dot product and cross product of vectors. And please suggest good books for basic concepts of physics at IIT level.
one year ago

Answers : (5)

Nilesh
29 Points
										sa
										
one year ago
erra akhil
208 Points
										
Dear     ,
DOT PRODUCT of 2 vectors.
1.)It gives a sclar.
2.)Magnitude of dot product is equal to product of magnitude of two vectors and the cosine of angle between them.
Example:- Let A and B be two vectors with angle between them equal to θ.
A.B=(magnitude of A)(Magnitude of B)(cosθ)
one year ago
erra akhil
208 Points
										
Cross Product:-
1.)Vector product of 2 vectors gives a vector.
2.)The resultant product vector of 2 vectors is in the direction perpendicular to the plane in which the given vectors are present.
3.)Magnitude of cross product of  2 vector is the product of magnitude of 2 vectors and the sine of angle between them.
Example:-
If A and  B are two vectors, 
A = ai + a2 j + a3 k
B = b1 i + b2 j + b3 k
magnitude of A*B=(magnitude of A)(Magnitude of B)(sin θ)
A*B=
| i        j      k |
| a1     a2    a|
| b1    b2    b3|
i,j,k are components of A and B along x,y,z axes
Approve if my answer helped you
        
          
one year ago
Fuckiitians
12 Points
										
Fuck off era akhil..
one year ago
Fuckiitians
12 Points
										
Fuck off era akhil..
one year ago
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