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Q: When a man pushes a wall but fails to displace it, it does ?
  • A. Positive work
  • B. Negative work
  • C. Most positive work
  • D. No any work
Correct Answer: Option D - When a man pushes the wall but fails to displace it, he does absolutely zero work. Work done (W) = Force x displacement Here, displacement = 0 W = 0
D. When a man pushes the wall but fails to displace it, he does absolutely zero work. Work done (W) = Force x displacement Here, displacement = 0 W = 0

Explanations:

When a man pushes the wall but fails to displace it, he does absolutely zero work. Work done (W) = Force x displacement Here, displacement = 0 W = 0