Which of the following vectors is the unit vector along F→$$=$$−$$3i^+4j^+12k^$$ N ?

Correct option is 2F^=−1133i^−4j^−12k^ N

Questions

Which of the following vectors is the unit vector along $\vec{F} = (- \sqrt{3} \hat{i} + \sqrt{4} \hat{j} + 12 \hat{k}) N ?$

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F^=−113−3i^+4j^+12k^ N

F^=−1133i^−4j^−12k^ N

F→=1133i^+4j^−12k^ N

None of these

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detailed solution

Correct option is B

F^=F→F→=−3i^+4j^+12k^ (−3)2+(4)+(12)2= -113(3i^+4j^+12k^)

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Which of the following vectors is the unit vector along F→=−3i^+4j^+12k^ N ?

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Ready to Test Your Skills?

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Which of the following vectors is the unit vector along $\vec{F} = (- \sqrt{3} \hat{i} + \sqrt{4} \hat{j} + 12 \hat{k}) N ?$