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प्रश्न
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
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उत्तर
less than 1: The load arm of a pair of scissors.
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संबंधित प्रश्न
What do you mean by the mechanical advantage of a lever?
Which class of lever has the mechanical advantage always less than 1? Give an example.
Give one example of a class I lever where the mechanical advantage is more than 1.
Name the class to which the following lever belong:
a wheelbarrow
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Name the machine to which the following belong:
Sugar tongs
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
A catapult
The diagram below shows a rod lifting a stone.
- Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
- What class of lever is the rod?
- Give one more example of the same class of lever stated in part (b).
A ______ lever will always have M.A. > 1.
