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प्रश्न
Name the class to which the following lever belong:
a crowbar
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उत्तर
a crowbar: Class I lever.
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संबंधित प्रश्न
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
Give one example of a class I lever in a case where the mechanical advantage is equal to 1?
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
State three differences between the three classes of levers.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Class III levers have mechanical advantage less than one. Why are they then used?
Name the load, effort, and fulcrum.
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1. ______ 2. ______ 3. ______ |
