The potential energy for field vecF is givenn by U(x,y)=sin(x+y). Find the force acting on the paticle of mass m at a position given by co-ordinates (0,(pi)/4). (consider all values in S.I. system)

The potential energy for field vecF is givenn by U(x,y)=sin(x+y). Find

1.	The potential energy for field vecF is givenn by U(x,y)=sin(x+y). Find the force acting on the paticle of mass m at a position given by co-ordinates (0,(pi)/4). (consider all values in S.I. system)
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