Question

What is fluid ... ????​

Answer 1

Answer:

Fluid, any liquid or gas or generally any material that cannot sustain a tangential, or shearing, force when at rest and that undergoes a continuous change in shape when subjected to such a stress. Some real fluids of low viscosity and heat conductivity approach this behaviour.

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Answer 2

Answer:a substance that has no fixed shape and yields easily to external pressure; a gas or (especially) a liquid.

Explanation: hope it helps