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प्रश्न
Which class of lever has the mechanical advantage always more than 1? Give an example.
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उत्तर
The mechanical advantage of class II levers is always more than 1.
Example – Nutcracker, wheelbarrow, bottle opener, etc.
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संबंधित प्रश्न
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 pair of scissors
Name the class to which the following lever belong:
a nutcracker
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
Name the machine to which the following belong:
Beam balance
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?
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
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).
second-order lever ______.
