# fluid-statics's questions - English 1answer

629 fluid-statics questions.

### 2 Will air push the water or pass through as bubbles?

This doubt is about a conundrum which is common to multiple scenarios. One such scenario is this: The valve is opened and the high pressure air is pushed towards the water in the channel with the ...

### Molecular level description of Archimedes Principle

On studying the Archimedes Principle,only one question arises in my mind these days. How does the Archimides principle work? I mean what happens at the molecular level in the fluids that they exert ...

### Where will pressure be stronger in these 2 pipe scenarios?

I initially started to be interested in fluid pressure and pipes to learn electricity. It seemed the only way I could help my head to get around some electrical concepts. That's the reason of my ...

### -3 Why is Torricelli's law(or speed of efflux) is independent of area of orifice? [on hold]

The speed of efflux is independent of area. Why would speed of efflux be independent of the area? Consider this, there is a cylinder and a hemisphere with radius of hemisphere equal to height of ...

### -1 Radius of water droplets

What is the radius of water droplets which are forming slowly then falling from ceiling, under the effect of gravitational force only, the other conditions are standard (293K temperature, 1 atm air ...

### Barometer and toriclli vaccum

What happens when Reading of barometer when the space over Hg contains gas or vapour does it increase or decrease the height of mercury

### What is driving the flow of water?

Recently, I had watched one of the viral videos on the internet about an unconventional way of fishing using banana trunks. I am unable to see what is driving the flow of water? Is it a 'plain ...

### 1 Pressure and surface tension

2 answers, 67 views pressure surface-tension fluid-statics
Please identify what is wrong with my reasoning and help. There is a liquid in a container. it's topmost layer is stationary , macroscopically as seen from outside. This means there is no net force ...

### Hydrostatic Force on Extruding Gate

*note, no friction in hinge, massless gate and width of gate is 1mImagining a free body diagram, there should be 3 components the resultant force due to the ...

### 1 Why does pressure behave exponentially in the atmosphere?

I wonder why the pressure is exponentially within the atmosphere but (almost?) linear in the sea?

### Concept of contact angle, cohesive and adhesive forces

I was reading the topic of contact angle from a book and I couldn't exactly understand it. The first photo depicts the general case when a solid surface touches a liquid surface. $Fs$ is the adhesive ...

### 1 How much weight can a cloud hold?

2 answers, 45 views forces newtonian-gravity fluid-statics
If someone dropped a feather onto a dense cloud, would it hold it? Or would it drop through the cloud? If it holds it, could a piece of thread rest on top of a cloud? What would be the maximum weight ...

### Is it easier to lift an object in air rather than in vacuum?

1 answers, 89 views water vacuum air buoyancy fluid-statics
I was reading about why lifting an object in water is easier then in air. The explanation goes on the line that the water which was above the object will fall downward and sideways, taking the place ...