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प्रश्न
Measure the radius of the wheels of a bicycle or a bullock-cart. You can use a thread or a measuring tape.
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उत्तर
The radius of the wheels of a bicycle is 12 inches. The radius of the wheel of a bullock cart is 20 inches.
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संबंधित प्रश्न
Take a wire and make a bangle for yourself. Can your madam or mother wear this bangle?
What if a rectangle was made? Discuss.
Think of some other games you play by making circles.
Which group made the smallest circle?
Does a longer rope make a bigger circle? Why is it so?
Now see what your friends have drawn. Discuss the length of the radius they measured. Is it the same as yours?
Are all the wheels of a bicycle or a bullock-cart of the same radius?
Now you can make your own designs like Daljeet had made. How many did you make?
You also try to balance a plate or a round lid on your finger. Where does it balance?
Now everybody was excited to spin their tops which looked like this.
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 |
 |
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| Zakir | Appu | Naina | Guddo |
Whose top will spin a little?
