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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
What is 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:
a pair of sugar tongs
Name the machine to which the following belong:
Lemon crusher
A lever of length 100 cm has the effort of 15 kgf at a distance of 40 cm from the fulcrum at one end. What load can be applied at its other end?
Answer the following.
State the principle of levers.
Answer the following.
What is a Class I lever?
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
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?
