Which of the following situations correctly illustrates the scientific definition of work in physics?

Question

Which of the following situations correctly illustrates the scientific definition of work in physics? — Exam MCQ

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A. A person lifts a box from the floor onto a table — The correct choice is A person lifts a box from the floor onto a table. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.

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B. A person pushes against a wall but the wall does not move

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C. A person walks with a backpack at constant speed

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D. A person holds a book stationary above their head

Which of the following situations correctly illustrates the scientific definition of work in physics?

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