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प्रश्न
Name the levers mentioned in the following passage. Identify the fulcrum, load, and effort of each and say which type of lever it is.
Ravi and Savita sit on a seesaw in a garden. In the meantime, a gardener is trimming trees in the garden. He puts the leaves and other garbage in the wheelbarrow. Later, Ravi gets thirsty and he buys lemon sherbet. The sherbet seller cuts the lemon and squeezes it using a lemon squeezer. He puts small pieces of ice in the glass with the help of the tongs.
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उत्तर
Levers mentioned in the passage are:
- Sea-saw: It is a first-order lever.
- Wheelbarrow: It is a second-order lever.
- Lemon squeezer: It is a third-order lever.
- Tongs: It is a fourth-order lever.
संबंधित प्रश्न
When is work said to be done by a force?
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Comment on the statement ‘The mechanical advantage of a machine is greater than 1’. Give an example of a lever mechanical advantage is:
(i) greater than 1.
(ii) Equal to 1.
Give an example of the following use of a machine to change the direction of force.
Classify the following as a lever, a pulley and an inclined plane:
A knife
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Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
