Q17 of 100 Page 230

Why do gymnasts apply a coarse substance to their hands?

Gymnasts apply a coarse substance to their hands to increase the frictional forces on their hands so that they can hold firmly.


More from this chapter

All 100 →
15

What makes the steps of foot over-bridges at Railway Stations to wear out slowly ?

 16

What is done to increase friction between the tyres and road?

 18

Why do kabaddi players rub their hands with dry soil?

 19

Name the device which is used between the hubs and axles of bicycle wheels to reduce friction.