Question

How does atmospheric pressure affect the functioning of syringe?

Answer 1

Answer:

the basic principle of working of syringe is atmospheric pressure .

for examples if you're in space you cannot draw water into the syringe because there is vacuum.

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Answer 2

Answer:

When we pull the handle of the syringe upwards, the air gets sucked out of the syringe. Then, the atmospheric pressure forces the fluid into the syringe.

Explanation:

This is because the atmospheric pressure outside the syringe pushes the fluid into the barrel as the barrel was at low pressure.