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Question

Consider a coolie carrying a heavy load on his head but standing still, then _____ work is said to be done.
  1. Negative
  2. Positive
  3. Zero
  4. Either zero or positive


Solution

The correct option is C Zero
Since, the displacement of the heavy load is zero. Hence, the work done by the coolie on the heavy load is zero, while he is standing still.

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