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प्रश्न
Answer the following.
Name the simplest of all types of machines.
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उत्तर
Lever.
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संबंधित प्रश्न
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.
Name the class to which the following lever belong:
an oar rowing a boat.
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 nutcracker
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Name the machine to which the following belong:
Sugar tongs
Tick the most appropriate answer.
Which of the following is a Class II lever?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Shows a lemon crusher. Name the class of lever.
