1. When the plunger is pushed, what happens to the volume of the fluid in the barrel? What is the effect of this in the pressure of the fluid?
2. When the plunger is pulled, what happens to the volume of the fluid in the barrel? What is the effect of this in the pressure of the fluid?
2. When the plunger is pulled, what happens to the volume of the fluid in the barrel? What is the effect of this in the pressure of the fluid?
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1. increases the pressure
2. the volume inside the barrel expands, the pressure inside the barrel decreases.