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Question
With the help of a pulley, try and lift various things, as shown in the picture.

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Solution
Do it yourself.
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RELATED QUESTIONS
Make a small bridge by tying 4 or 5 bamboo poles together. Ask your teacher to help you. Now walk on your bridge.
- How did you feel?
- Did you fall down?

Look around you – where all do you see the use of pulleys? List them.

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.
Imagine what difficulties there would be if the bridge was not there? Let us find out some other ways by which children get to school.
Can you think of other ways by which we can travel on water?

Do you have such vehicles in your area?

What do you call them in your area?

The jugad has been made by using waste material. Why don’t you also try to make something by putting together some waste material?
Go to a ground or an open space with your friends. Act the way you will walk in these situations.
- The ground is made of soft and smooth rose petals.
- The ground is covered with thorns and there is tall grass on the sides.
- The ground is covered with snow.
Was there a difference in the way you walked each time? Discuss.
