1.

Answer the following questions.(a) Why do knives and blades have sharp edges?(b) Why are ski-boards that are used to glide over ice long and broad?(c) Why does ink not spill out of an ink dropper?(d) Why does a plastic bottle full of steam get pressed in if placed in a refrigerator?

Answer»

Answer the following questions.



(a) Why do knives and blades have sharp edges?



(b) Why are ski-boards that are used to glide over ice long and broad?



(c) Why does ink not spill out of an ink dropper?



(d) Why does a plastic bottle full of steam get pressed in if placed in a refrigerator?



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