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प्रश्न
Class III levers have mechanical advantage less than one. Why are they then used?
उत्तर
With levers of class III, we do not get gain in force, but we get gain in speed, that is a longer displacement of load is obtained by a smaller displacement of effort.
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संबंधित प्रश्न
What is a lever?
What do you mean by the mechanical advantage of a lever?
Which class of lever has the mechanical advantage always more than 1? Give an example.
Which class of lever has the mechanical advantage always less than 1? Give an example.
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The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
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Name the load, effort, and fulcrum.
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1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
A ______ lever will always have M.A. > 1.
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