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When can the sum of two vectors be said to be greater

Option: 1

When the two vectors act in opposite directions


Option: 2

Both vectors act in the same direction

Option: 3

When both the vectors are at right angles


Option: 4

None of the Above.

Answers (1)


Option(b) is correct because Two vectors have the same direction if they are parallel and point in  the same direction. If one vector is a positive scalar multiple of the other, then the two vectors have exactly the same direction .

Option (a) is incorrect because two vectors of opposite orientation but of equal magnitude cancel out and yield a zero vector.

Option (c) is incorrect because Marshall said that when a pair of vectors are at right angles to each other, the magnitude of their combined force is greater than the magnitude of either the other vector alone.



Posted by

Deependra Verma

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