Pressure on a dam wall and the centre of pressure
Pressure grows linearly with depth; the force on a dam is rho g H^2 b/2 and acts at H/3 above the bottom.
About this experiment
| Subject | Physics |
|---|---|
| Class | 11 |
| Chapter | 9. Mechanical Properties of Fluids |
| NCERT section | 9.2 |
| Level | Advanced (JEE / Olympiad) |
| Time | about 12 minutes |
| Access | Included in a PractiSci plan |
What you do in the lab
Change the controls and watch the physics behave in real time in 3D. Live readouts and graphs show the numbers behind it, and the Learn tab has the theory, procedure, observations and viva questions. Works on a phone or a laptop, in English and Hindi.
Topics: hydrostatic pressure · dam · centre of pressure · Pascal
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- Bernoulli's principle: venturimeter
- Surface tension: capillary rise and contact angle
- Pascal's law and hydraulic lift
- Poiseuille flow: viscous flow through a tube
- Excess pressure in drops and bubbles
- Stokes' law: terminal velocity and viscosity
- Surface energy: merging and splitting water drops