11th Class Physics Motion in a Straight Line / सरल रेखा में गति Question Bank Motion In A Plane Conceptual Problems

  • question_answer
    If \[\vec{A}.\vec{B}=\vec{A}.\vec{C},\]is it correct to conclude that \[\vec{B}=\vec{C}\]?

    Answer:

                    No. We can write \[\vec{A}.(\vec{B}-\vec{C})=0\]which implies that \[\vec{A}\] may be perpendicular to \[(\vec{B}-\vec{C})\].


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