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प्रश्न
Name the class to which the following lever belong:
a see-saw
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उत्तर
a see-saw: Class I lever
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संबंधित प्रश्न
Which class of lever has the mechanical advantage always more than 1? Give an example.
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
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Given an example of a Class I lever.
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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).
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
