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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.
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उत्तर
The levers are of three kinds :
Class I levers that have fulcrum in between the load and the effort.
Eg. See - Saw
Class II levers which have load in between the fulcrum and the effort
Eg. - Nut - Cracker
Class Ill levers which have effort in between the fulcrum and the Load
Eg. - Forceps.
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संबंधित प्रश्न
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Answer the following in a word or two or in a sentence.
Which type of machine is used to squeeze a lemon?
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?
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Classify the following into levers:
A door
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).
Differentiate Class I lever and Class II lever.
Classify the following into levers:
Claw hammer
Classify the following into levers:
Sugar tongs
