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प्रश्न
Name the class to which the following lever belong:
A pair of scissors
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उत्तर
A pair of scissors: Class I lever
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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.
Which class of lever has the mechanical advantage always less than 1? Give an example.
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
Name the machine to which the following belong:
Lemon crusher
Answer the following.
State the principle of levers.
Give one example of a class I lever where mechanical advantage is less than 1.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Draw a labelled diagram of a class II lever. Give one example of such a lever.
