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प्रश्न
Name the machine to which the following belong:
Lemon crusher
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उत्तर
Lemon crusher: A lever (lever of class II)
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संबंधित प्रश्न
Which class of lever has the mechanical advantage always more than 1? Give an example.
Which class of lever has the mechanical advantage always less than 1? Give an example.
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 nutcracker
Name the machine to which the following belong:
Sugar tongs
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
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).
Match the following:
| 1. | Class I lever | a. | Wheelbarrow |
| 2. | Class II lever | b. | Seesaw |
| 3. | Class III lever | c. | Axe |
| 4. | Wedge | d. | Hockey sick |
