Question

27. A + B = C, the angle between A and B is 120° and A=
B. if A+ B + C = 0, then what is the angle between A
and B? X
(a) 30°
(6) 60°
(c) 120°
(d) 150°​

Answer 1

Explanation:

Answer :

B

Solution :

If C is the resultant of two vectors A and B, then <br>

<br>

<br>

<br> Similarly, <br>

<br> (

A-B, direction of B will be reversed, so the angle between A and -B will be

) <br>

<br>

<br> (

, direction of B will be reversed A and B will be

)

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Answer 2

Answer:

B-60°...

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