Which statement is correct regarding negative work?

Question

Which statement is correct regarding negative work? — Exam MCQ

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A. When force acts opposite to displacement, work done is negative. — W = Fs cos θ. Opposite force and displacement give θ = 180° and negative work.

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B. When force is perpendicular to displacement, work done is negative.

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C. Work done cannot be negative.

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D. When force and displacement are in the same direction, work done is negative.