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प्रश्न
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
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उत्तर
| Sl. No | Examples | Class of Lever |
| 1. | Spade | Class III lever |
| 2. | Seesaw | Class I lever |
| 3. | Wheel barrow | Class II lever |
| 4. | Plier | Class I lever |
| 5. | Nail cutter | Class I lever |
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संबंधित प्रश्न
Give one example of a class I lever where the mechanical advantage is more than 1.
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
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?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Give one example of a class I lever where mechanical advantage is less than 1.
Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever. Which one has the mechanical advantage less than 1?
Explain why the mechanical advantage of a class II of lever is always more than 1.
Class III levers have mechanical advantage less than one. Why are they then used?
second-order lever ______.
