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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
Fill in the blank:
In class II levers, the load is in between fulcrum and .........
What do you mean by the mechanical advantage of a lever?
Which class of lever has the mechanical advantage always less than 1? Give an example.
Give one example of a class I lever in a case where the mechanical advantage is equal to 1?
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
Tick the most appropriate answer.
Which of the following is a Class II lever?
Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever. Which one has the mechanical advantage less than 1?
second-order lever ______.
Classify the following into levers:
Sugar tongs
