Question

22. The eraser gets smaller and smaller as you use it
more and more. Explain the reason.
23. List three ways of reducing friction.
24. It is difficult to open an inkpot with greasy or oily
hands. Explain.
25. It is difficult to walk on a wet road. Explain.
26. Give three examples to illustrate that friction is a
necessary evil.
27. Define (i) static friction (ii) sliding friction and
(iii) rolling friction.
28. Arrange the following in descending order of
magnitude : (i) static friction (ii) sliding friction​

Answer 1

Explanation:

no idea dear...sorry

mnejd