Q10 of 34 Page 209

We always apply powder to a carom board. Why?

We apply powder to carom board because the wood has a frictional surface and to reduce the friction powder is sprinkled on the board as the powder fills the gaps on board, so the striker moves smoothly and at large distance with even lower force.


More from this chapter

All 34 →
8

Give one use of spring balance.

 9

Why is it difficult to walk on a smooth floor?

 11

Mention a reason which makes the steps of foot-over-bridges at railways stations to wear out slowly.

 12

Explain why does a man slip when he steps on a banana peel thrown on the road.