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प्रश्न
Look around you – where all do you see the use of pulleys? List them.
उत्तर
Pulleys are used
- to fetch water from wells
- in moving trolleys
- in elevators
- in flagpoles to hoist flags
- to lift heavy loads in construction sites
- in moving curtains in theatres
- in cranes and bulldozers
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संबंधित प्रश्न
Observe pictures 1 and 2. In the pictures, children are pulling the buckets from the well.
- Can you tell the difference in both the pictures?
- Which would be easier – using the pulley or not using it to lift things?
If you had a chance, which bridge would you like to use? Why?
Find out from your grandparents, what kinds of bridges were there when they were young.
Can you think of other ways by which we can travel on water?
How did you feel riding in the cart? Also, share your experience in the class also.
Can you ride a bicycle? If yes, who taught you to ride?
How many children come on bicycles to your school?
The jugad has been made by using waste material. Why don’t you also try to make something by putting together some waste material?
Which is the best month, in which you like to go to school? Why?
Do you think that punishment should not be there in schools?
