Question

Gases and liquids are both …………………… because their particles are free to move. When we move through the air, there is force called ……………………. or………… that opposes this movement. To make this movement easier, cars and other vehicles are ……………………… using smooth curved shapes.

Answer 1

★ Answer :-

1. fluids
2. drag
3. fluid friction
4. lubricants.

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Hope this helps

Answer 2

Answer:

fluid , frictional , friction , streamlined