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If we have a mass on an inclined plane ,

Does the Normal force depend on Coordinate used. i.e coordinate system along rod( tilted one) and coordinate system in the regular way

I know the answer is " NO" but I get

N= MgCos(theta) for tilted one

and N= Mg/cos(theta) for straight one

Same is happening for a rod rotating about the edge of a table

Thanks in advance