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Work And Energy — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWork And Energy1 Mark
MCQ
How much work they do in just holding it?
  • A
    250J
  • B
    2500J
  • C
    0J
  • D
    625J
✓

Answer

  1. 0J

Explanation:

The work done by a constant force of magnitude F on a point that moves a displacement (not distance) s in the direction of the force is given by:
W = F × s

As the men are just holding the box the value of s is 0. 

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