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When does the resultant of two vectors equally inclined to both the component vectors?


When component vectors are equal in magnitude, the resultant of two vectors are equally inclined to both the component vectors. 
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If the magnitude of the two forces are 2 and 3 and the magnitude of their scalar product is 3square root of 2, then find the angle between the vectors. 


Here, A = 2; B = 3 and A. B = 3,

We know that, 

A. B = AB cos  

So, cos =  = cos 45o

That is    = 45o, is the angle between the vectors. 

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What is magnitude of the difference of two vectors of magnitude A and B acting in opposite direction?

The magnitude of the difference of vectors acting in opposite direction is A+B. 

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#6 {main}</pre> equal?


Yes, the magnitude is equal. 

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What is the magnitude of difference of two vectors of magnitude A and B acting at angle 90°?

The magnitude of two vectors A and B which are at angle 900 is given by,  square root of straight A squared plus straight B squared end root

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