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प्रश्न
The diagram below shows a rod lifting a stone.
- Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
- What class of lever is the rod?
- Give one more example of the same class of lever stated in part (b).
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उत्तर
(a)
(b) This rod is a class II lever as load is between fulcrum and effort.
(c) An example of class II lever is a bottle opener.
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संबंधित प्रश्न
Which class of lever has the mechanical advantage always more than 1? Give an example.
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following levers belong:
a pair of pliers
How can you increase the mechanical advantage of a lever?
Name the machine to which the following belong:
Beam balance
Answer the following.
State the principle of levers.
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Classify the following into levers:
A catapult
Classify the following into levers:
A fishing rod
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
