Hydraulic press: Pascal's law, force and work

Also called

hydraulic press · hydraulic lift · hydraulic jack · pascal's law · pascals law · pressure transmission · force multiplier · hydraulic machine · mechanical advantage of hydraulic press · हाइड्रोलिक प्रेस · पास्कल का नियम · dravchalit press

Topics

• Pascal's law: pressure added to an enclosed fluid is passed on undiminished to every part of the fluid and the walls…
• Added pressure p = F1/A1 = 10 N / 1 cm² = 100 kPa
• Pressure acts at right angles (normal) to every surface it touches
• Force multiplication: F2/F1 = A2/A1, so a 10 N push on 1 cm² holds up 40 N on 4 cm²
• An incompressible fluid keeps its volume: A1·x1 = A2·x2, so 4 cm down on the small side gives 1 cm up on the large side
• Work in = work out in the ideal press: 10 N × 4 cm = 40 N × 1 cm = 0.4 J; force is gained only by giving up distance
• Changing the area ratio to 9:1 gives 90 N of output force and 0.44 cm of rise for the same 4 cm input stroke

About this model

A GLB file of about 643 KB, shown in Lably's 3D viewer and, on a phone, placed in your room with AR. Credit: Original model built for Lably. No external assets are included in the GLB. | CC0 1.0 (original geometry authored for Lably; no third-party meshes included)

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