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प्रश्न
Give one example of a class I lever where mechanical advantage is less than 1.
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उत्तर
Class I levers with M.A. less than 1 are scissors used to cut cloth or paper. When M.A. is less than 1, this type of lever is used to increase speed.
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संबंधित प्रश्न
What do you mean by the mechanical advantage of a lever?
Name the class to which the following lever belong:
an oar rowing a boat.
Name the class to which the following lever belong:
a see-saw
Name the class to which the following lever belong:
a crowbar
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
How can you increase the mechanical advantage of a lever?
Tick the most appropriate answer.
A pair of scissors is an example of a/an
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.
