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प्रश्न
What do you mean by the mechanical advantage of a lever?
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उत्तर
The mechanical advantage of a lever is equal to the ratio of the effort arm to the load arm. This is also called the principle of a lever.
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संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
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.
Name the class to which the following lever belong:
a wheelbarrow
How can you increase the mechanical advantage of a lever?
Name the machine to which the following belong:
Lemon crusher
Answer the following in a word or two or in a sentence.
Which type of machine is used to squeeze a lemon?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Classify the following into levers:
A fishing rod
Differentiate Class I lever and Class II lever.
