Do the activity in small groups. Each group should take a rope of a different length. See the circles made by different groups. Which group made the smallest circle?

Do the activity in small groups. Each group should take a rope of a different length. See the circles made by different groups.

Answer in Brief

Do it yourself.

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Carts and Wheels

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Chapter 8: Carts and Wheels - Exercises [Page 85]

Chapter 8 Carts and Wheels
Exercises | Q 8 | Page 85

Have you ever gone to a bangle shop?

Look at the circles drawn by your friends. Who has drawn the best circle?

How long was their rope?

Measure the radius of both circles using a ruler.
Write the length of their radius.

Measure the radius of the wheels of a bicycle or a bullock-cart. You can use a thread or a measuring tape.

Which is the biggest wheel you have ever seen?

Are all wheels of a tractor or road roller of the same radius?

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.


Zakir	Appu	Naina	Guddo

In whose top is the stick nearest to the centre?

To make the top spin well, where will you make the hole?