Q.

A vector v makes an angle with the horizontal. The vector is rotated through an angle α. Does this rotation change the vector v ?

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Detailed Solution

Magnitude remains constant, direction changes for any value of α other than 2π, 4π, 6π ........ 

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A vector v→ makes an angle with the horizontal. The vector is rotated through an angle α. Does this rotation change the vector v→ ?