The greatest and least magnitude of resultant of two forces are P and Q. Prove that when they act at an angle of 2?, the magnitude of the resultant is v(P^(2 ) ?cos?^2+Q^2 ?sin?^2 )

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224-228 according to last years cut off. Arun Kumar IIT Delhi Askiitians Faculty

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The greatest and least magnitude of resultant of two forces are P and Q. Prove that when they act at an angle of 2?, the magnitude of the resultant is v(P^(2 ) ?cos?^2+Q^2 ?sin?^2 )

The greatest and least magnitude of resultant of two forces are P and Q. Prove that when they act at an angle of 2?, the magnitude of the resultant is v(P^(2 ) ?cos?^2+Q^2 ?sin?^2 )

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The greatest and least magnitude of resultant of two forces are P and Q. Prove that when they act at an angle of 2?, the magnitude of the resultant is v(P^(2 ) ?cos?^2+Q^2 ?sin?^2 )

The greatest and least magnitude of resultant of two forces are P and Q. Prove that when they act at an angle of 2?, the magnitude of the resultant is v(P^(2 ) ?cos?^2+Q^2 ?sin?^2 )

2 Answers

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