If \( \hat{n} \) is a unit vector in the direction of the vector \(...
If \( \hat{n} \) is a unit vector in the direction of the vector \( \vec{A} \),
P then: -
W
(1) \( \hat{n}=\frac{\vec{A}}{|\vec{A}|} \)
(2) \( \hat{n}=\vec{A}|\vec{A}| \)
(3) \( \hat{n}=\frac{|\vec{A}|}{\vec{A}} \)
(4) None of these
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