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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
Name the class to which the following lever belong:
a nutcracker
Name the class to which the following lever belong:
a pair of sugar tongs
Name the class to which the following lever belong:
a see-saw
Name the class to which the following levers belong:
a pair of pliers
Name the class to which the following lever belong:
a crowbar
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
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.
Name the class of the lever shown in the picture below:

A ______ lever will always have M.A. > 1.
