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प्रश्न
Tick the most appropriate answer.
Which of the following is a Class II lever?
विकल्प
Pliers
A beam balance
A nut-cracker
A knife
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उत्तर
A nut-cracker
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संबंधित प्रश्न
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following lever belong:
a nutcracker
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Answer the following.
What is a Class I lever?
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
Differentiate Class I lever and Class II lever.
