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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
APPEARS IN
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?
Do you have to cross any bridge on the way to your school? If yes, what is the bridge like? Draw its picture.
Is there any bridge near your house? Find out more about the bridge.
- Where is the bridge – over water, over a road, between two mountains or somewhere else?
- Who all use the bridge? Is it used by people on foot and also by vehicles and animals?
- Does the bridge seem to be old or is it new?
- Find out what materials are used in making this bridge. List some of them.
Draw a picture of the bridge in your notebook. Do not forget to draw the train, vehicles, animals or people who cross the bridge.
Can you think of other ways by which we can travel on water?
Have you ever sat in a camel-cart or horse carriage (tonga)? Where? Did you climb on it yourself, or did someone help you?
How did you feel riding in the cart? Also, share your experience in the class also.
Do you have bullock-carts where you live?
Can you ride a bicycle? If yes, who taught you to ride?
Have you ever seen so much snow? Where? In films or somewhere else?
