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10A lever is a rigid bar that can rotate about a fixed point.
The fixed point of a lever is called the effort.
Beam balance is an example of a first-class lever.
In a second-class lever, the effort lies between the load and fulcrum.
Crowbar works on the principle of a lever.
In a third-class lever, the load is between effort and fulcrum.
Effort distance is the distance between effort and fulcrum.
Nut-cracker is a third-class lever.
All levers work on the principle of moments.
Less effort is required when effort distance is more.
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Which one of the following simple machines is a second-class lever?
What is the principle of the lever in a balanced condition?
What is the work done by effort called?
The fixed point about which a lever rotates is called:
Which of the following is a first-class lever?
In which lever does load lie between fulcrum and effort?
Which tool is a third-class lever?
The object lifted by a lever is called:
Which formula represents the principle of a lever?
Lemon squeezer is an example of:
A lever rotates about a fixed point called the ______.
The force applied on a lever is known as ______.
The object to be lifted using a lever is called ______.
The distance between fulcrum and effort is called ______ distance.
The distance between fulcrum and load is called ______ distance.
Scissors work as a ______-class lever.
Nut-cracker is a ______-class lever.
Shovel is an example of a ______-class lever.
The principle of lever is ______ × E.D. = L × L.D.
Archimedes invented the lever around ______ BC.