Fourth year of secondary education
Pressure (I)
E. Vallo - J.Villasuso
 Pressure
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Problems 5 / 9

5.- The diameters of the pistons of a hydraulic press are, respectively, 16 cm and 64 cm. If we apply a force of 50 N on the small piston, what will the value of the force that the press exerts on the large piston be? What is the multiplying factor?

NB. The point of application of the forces should be situated on the section of the pistons. In this visual the red force is not applied correctly for reasons of design (to see its variation in the visual without having to make it excessively large). 

a) 800 N  ; b) 16


 

What is pressure? How does it work?
Units
Hydrostatic pressure
Mathematical expression
The pressure increases the deeper you go in liquids
Which goes the furthest?
A little goes a long way!
Communicating vessels
Syphons
Pascal's Law
The Law
The hydraulic press
Hydraulic brakes: drum brakes
Manometers
Problems
Evaluation