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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 lemon squeezer
Name the class to which the following lever belong:
a nutcracker
Name the class to which the following levers belong:
a pair of pliers
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
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.
Name the simplest of all types of machines.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Class III levers have mechanical advantage less than one. Why are they then used?
Shows a lemon crusher. Name the class of lever.
Classify the following into levers:
Claw hammer
