A vector →A points vertically upward and →B points towards south. Then the vector product →A×→B is:
A
along west
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B
along east
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C
along north
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D
vertically downward
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Solution
The correct option is B along east The vector resultant of the cross product lies in plane perpendicular to both the vectors. Now there are two possible directions east and west. Using cork screw rule, we find that its resultant will be along east.