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प्रश्न
Which class of lever has the mechanical advantage always less than 1? Give an example.
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उत्तर
The mechanical advantage of class III levers is always less than 1.
Example: a pair of tongs, sugar tongs, knife, forceps, etc.
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संबंधित प्रश्न
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
Name the class to which the following lever belong:
a pair of sugar tongs
Name the class to which the following levers belong:
a pair of pliers
Name the class to which the following lever belong:
a crowbar
Answer the following in a word or two or in a sentence.
Which type of machine is used to squeeze a lemon?
Give one example of a class I lever where mechanical advantage is less than 1.
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Classify the following into levers:
A door
Lemon juicer belongs to which type of lever? Why?
second-order lever ______.
