When is work done considered positive?

Type: MCQ • Marks: 1

A. When force is perpendicular to displacement

B. When displacement is zero

C. When force and displacement are in opposite directions

D. When force and displacement are in the same direction (0° <= θ < 90°)

Explanation

Positive work occurs when force has a component in the direction of displacement.

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Class 9th Science (MCQ)

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