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A force of 11 N is applied to the handle of a screwdriver being used to pry off the lid of a paint can. As the input force moves through a distance 0.3 m, the screwdriver does 3 J of work on the lid. What is the efficiency of the screwdriver? Show your work.
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Answer: It is the efficiency of the screwdriver
Applied force on screwdriver handle, F = 11 N.
The distance covered by the input force, d = 0.3 m
The efficiency of the screwdriver is given by the following relationship:
Hence, this is the essential solution.
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