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प्रश्न
A vector is not changed if ______.
विकल्प
it is divided by a scalar
it is multiplied by a scalar
it slides parallel to itself
all of these
MCQ
रिक्त स्थान भरें
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उत्तर
A vector is not changed if it slides parallel to itself.
Explanation:
A vector is defined by its magnitude and direction only, sliding it parallel to itself (translation) doesn't change either, so the vector remains unchanged; but dividing or multiplying by a scalar changes its magnitude.
shaalaa.com
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