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Consider the case of a plank (with a block on it ) at rest on the floor.
the work done by normal reaction is zero.
Now imagine a man pushes the plank upward with an acceleration.
Now the work done by normal reaction is nonzero.
can normal reaction in the second case be considered non conservative.
Now imagine a man pushes the plank upward with an acceleration.
Now the work done by normal reaction is nonzero.
A similar situation is the case of a body at the lower end of a rope being
pulled vertically upward by a man moving the upper end. could we label
tension as non conservative?