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प्रश्न
Answer the following.
Name the simplest of all types of machines.
उत्तर
Lever.
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संबंधित प्रश्न
What is a lever?
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.
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Give one example of a class I lever where mechanical advantage is less than 1.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Name the load, effort, and fulcrum.
 |
 |
 |
|
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
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 |
