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प्रश्न
What is a lever?
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उत्तर
A lever is a simple rigid bar that is free to move around a point called the fulcrum.
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संबंधित प्रश्न
Give one example of a class I lever where the mechanical advantage is more than 1.
Name the class to which the following lever belong:
a nutcracker
Name the class to which the following lever belong:
a crowbar
How can you increase the mechanical advantage of a lever?
State three differences between the three classes of levers.
Name the machine to which the following belong:
Lemon crusher
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Answer the following in short.
What is the basis of the classification of levers?
Classify the following into levers:
A door
A ______ lever will always have M.A. > 1.
