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Plz explane polygon law with the …

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Plz explane polygon law with the help of triangle law

Posted by Priya Yadav 7 years, 6 months ago

CBSE > Class 11 > Physics

2 answers

Shreya Singh 7 years, 6 months ago

Consider vectors A,B,C,D and E. To find the resultant of these vectors,draw a vector ab=A,bc=B,cd=C,de=D,ef=E and af=R. Proof- join ac and apply triangle law of vector addition to ∆abc ac=ab+bc = A+B. Now join ad and apply triangle law of vector addition to ∆acd ad=ac+cd = A+B+C. Now join ae and apply triangle law of vector addition to ∆ade ae=ad+de = A+B+C+D. Finally apply triangle law of vector addition to ∆aef af=ae+ef = A+B+C+D+E. Therefore, R = A+B+C+D+E.

Shreya Singh 7 years, 6 months ago

Diagram is required for it but,I can't give u diagram but surely I can give u the solution.

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