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प्रश्न
Name the class to which the following lever belong:
A pair of scissors
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उत्तर
A pair of scissors: Class I lever
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संबंधित प्रश्न
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
Name the class to which the following lever belong:
an oar rowing a boat.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
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 |
