#21 | Vectors: Addition
(Physics) > Mathematical Tools
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Related Practice Questions :

Given that C = A + B  and   C makes an angle α with A and β with B. Which of the following options is correct?

1.  α cannot be less then β

2.  α <β, if A<B

3.  α <β, if A>B

4.  α <β, if A=B

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Two forces are such that the sum of their magnitudes is 18 N and their resultant is perpendicular to the smaller force and magnitude of resultant is 12 N. Then the magnitudes of the forces are 

1. 12 N, 6 N

2. 13 N, 5N

3. 10 N, 8 N

4. 16 N, 2 N

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If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is

1. 90°

2. 45° 

3. 180° 

4. 0°

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Six vectors a through f have the directions indicated in the figure. Which of the following statements may be true?

(a) b+c=-f                        (b) d+c=f

(c) d+e=f                        (d) b+e=f

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In the given figure

                           

(A)  Angle between A and B is 110°

(B)  Angle between C and D is 60°

(C)  Angle between B and C is 110°

(D)  Angle between B and C is 70°

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