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Q: If the displacement of an object is zero. Then work done by the applied force is –
  • A. Neutral
  • B. Negative
  • C. Positive
  • D. Zero
Correct Answer: Option D - If the displacement of an object is zero, then the work done will be zero. If a applied force on a object is zero, then the work done on an object will be zero, such as - if a person pushes a wall and that wall remains stationary. Work done (W) = Force x Displacement (d) = F x d (Where d = 0) Work done (W) = 0
D. If the displacement of an object is zero, then the work done will be zero. If a applied force on a object is zero, then the work done on an object will be zero, such as - if a person pushes a wall and that wall remains stationary. Work done (W) = Force x Displacement (d) = F x d (Where d = 0) Work done (W) = 0

Explanations:

If the displacement of an object is zero, then the work done will be zero. If a applied force on a object is zero, then the work done on an object will be zero, such as - if a person pushes a wall and that wall remains stationary. Work done (W) = Force x Displacement (d) = F x d (Where d = 0) Work done (W) = 0