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प्रश्न
Which class of lever has the mechanical advantage always more than 1? Give an example.
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उत्तर
The mechanical advantage of class II levers is always more than 1.
Example – Nutcracker, wheelbarrow, bottle opener, etc.
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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.
Which class of lever has the mechanical advantage always less than 1? Give an example.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
Name the machine to which the following belong:
Lemon crusher
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
A catapult
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 |
