A (2.00-mathrm{kg}) mass is attached to a vertical spring with a spring constant of (250 mathrm{~N} /

Question:

A \(2.00-\mathrm{kg}\) mass is attached to a vertical spring with a spring constant of \(250 \mathrm{~N} / \mathrm{m}\). A student pushes the mass vertically upward with her hand while.
slowly lowering it to its equilibrium position.

(a) How many forces do nonzero work on the object: (1) one, (2) two, or (3) three? Explain your reasoning.

(b) Calculate the work done on the object by each of the forces acting on it as it is lowered into position.

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