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Two vectors $\vec{A}$ and $\vec{B}$ inclined at an angle $θ$ have a resultant $\vec{R}$ which makes an angle $α$ with $\vec{A}$ . If the direction of $\vec{A} and \vec{B}$ are interchanged, the resultant will have the same

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detailed solution

Correct option is B

Neither the magnitude of vectors nor the angle between the vectors is changed. So, magnitude of the resultant remains unchanged. However the direction of the resultant will be changed.

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Two vectors A→ and B→ inclined at an angle θ have a resultant R→ which makes an angle αwith A→ . If the direction of A→ and B→ are interchanged, the resultant will have the same

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Ready to Test Your Skills?

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Two vectors $\vec{A}$ and $\vec{B}$ inclined at an angle $θ$ have a resultant $\vec{R}$ which makes an angle $α$ with $\vec{A}$ . If the direction of $\vec{A} and \vec{B}$ are interchanged, the resultant will have the same