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The potential energy U of a body of mass m is given by U = ax + by where x and y are the position coordinates of the particle, the net force acting on the particle is: |
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Answer» `sqrt(a^(2) +B^(2))` `F_(y)=(-dU)/(dy)impliesF_(y)=-b` :.`F=sqrt(F_(x)^(2)+F_(y)^(2))=sqrt(a^(2)+b^(2))` Hence correct CHOICE is (a). |
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