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प्रश्न
Draw a labelled sketch of a second class lever. Give one example of such a lever.
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उत्तर
A labelled diagram of a second class lever is given below. Its example is a nut-cracker.
Second Class Lever
Example of a second class lever (Nut-cracker)
संबंधित प्रश्न
The diagram below shows a lever in use:
- To which class of levers does it belong?
- Without changing the dimensions of the lever, if the load is shifted towards the fulcrum what happens to the mechanical advantage of the lever?
Class II levers are designed to have ______.
Give three examples for leavers of 1st order.
The following belong to which class of lever?
A see-saw
The following belong to which class of lever?
Rowing of a boat
The following belong to which class of lever?
Wheelbarrow
The following are an example of levers. State the class of lever to which each one belongs giving the relative positions of Load (L), Effort (E), Fulcrum (F):
(i) Scissors (ii) Sugar tongs (iii) Nutcracker (iv) Pliers.
The diagram shows the use of a lever.
- State the principle of moments as applied to the above lever.
- Which class of lever is this? Give an example of this class of lever.
- If FA = 100 cm, AB = 90 cm, calculate the minimum effort required to lift the load.
State the types (or kinds) of lever, and give two examples of each kind.
The length of a nut-cracker is 12 cm. A nut, when kept at a distance of 4 cm from its fulcrum, requires an effort of 100 gf to crack it. What force will be required to crack the nut without using the nut-cracker?
