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प्रश्न
The diagram below shows a rod lifting a stone.
- Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
- What class of lever is the rod?
- Give one more example of the same class of lever stated in part (b).

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उत्तर
(a)

(b) This rod is a class II lever as load is between fulcrum and effort.
(c) An example of class II lever is a bottle opener.
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संबंधित प्रश्न
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
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Answer the following in a word or two or in a sentence.
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Give one example of a class I lever where mechanical advantage is less than 1.
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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?
Classify the following into levers:
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