Syringe
Two questions about a syringe
If a syringe is pushed such that the end is completley down and then the tip is covered
1) Why, when pulled back, does the pulley part of the syringe try to move forward
2) Why is it hard to pull the syring back when the end is covered?
If a syringe is pushed such that the end is completley down and then the tip is covered
1) Why, when pulled back, does the pulley part of the syringe try to move forward
2) Why is it hard to pull the syring back when the end is covered?
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