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A square threaded screw is used to lift a load W by applying a force F. Efficiency of square threaded screw is expressed as
  • a)
    The ratio of work done by W per revolution to work done by F per revolution
  • b)
    W/F
  • c)
    F/W
  • d)
    The ratio of work done by F per revolution to work done by W per revolution
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A square threaded screw is used to lift a load W by applying a force F...
Given : Load = W
Applied force = F
The efficiency of square thread salent is

Hence, the correct option is (A).
Free Test
Community Answer
A square threaded screw is used to lift a load W by applying a force F...
Efficiency of Square Threaded Screw Explanation:
Efficiency of a square threaded screw is expressed as the ratio of work done by the load W per revolution to the work done by the applied force F per revolution.

Explanation:
- The work done by the load W in lifting the load is equal to the force W multiplied by the distance it is raised.
- The work done by the applied force F in lifting the load is equal to the force F multiplied by the distance it is raised.
- Efficiency is a measure of how well the screw converts the input force into lifting the load.
- If the efficiency is high, it means that more of the input force is converted into lifting the load, resulting in less effort required to lift the load.

Calculation:
- Efficiency = Work done by W per revolution / Work done by F per revolution
- The efficiency of the square threaded screw is determined by comparing the work done by the load W to the work done by the applied force F in each revolution.
In conclusion, the efficiency of a square threaded screw is determined by the ratio of the work done by the load W to the work done by the applied force F per revolution. This ratio helps in evaluating how effectively the screw converts the input force into lifting the load.
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A square threaded screw is used to lift a load W by applying a force F. Efficiency of square threaded screw is expressed asa)The ratio of work done by W per revolution to work done by F per revolutionb)W/Fc)F/Wd)The ratio of work done by F per revolution to work done by W per revolutionCorrect answer is option 'A'. Can you explain this answer?
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