One consequence of surface tension is that free liquid drops and bubbles are sp…
Read more
Drops and Bubbles
Angle of Contact
The surface of liquid near the plane of contact, with another medium is in gene…
Read more
Angle of Contact
Surface Energy and Surface Tension
As we have discussed that an extra energy is associated with surface of liquids…
Read more
Surface Energy and Surface Tension
Surface Tension
You must have noticed that, oil and water do not mix; water wets you and me but…
Read more
Surface Tension
Viscosity and Stokes’ Law
Most of the fluids are not ideal ones and offer some resistance to motion. This…
Read more
Viscosity and Stokes’ Law
Dynamic Lift
Dynamic lift is the force that acts on a body, such as airplane wing, a hydrofo…
Read more
Dynamic Lift
Venturi-meter
The Venturi-meter is a device to measure the flow speed of incompressible fluid…
Read more
Venturi-meter
Speed of Efflux: Torricelli’s Law
The word efflux means fluid outflow. Torricelli discovered that the speed of ef…
Read more
Speed of Efflux: Torricelli’s Law
BERNOULLI’S PRINCIPLE
Fluid flow is a complex phenomenon. But we can obtain some useful properties fo…
Read more
BERNOULLI’S PRINCIPLE
Streamline Flow
So far we have studied fluids at rest. The study of the fluids in motion is kno…
Read more
Streamline Flow
Hydraulic Machines
Let us now consider what happens when we change the pressure on a fluid contain…
Read more
Hydraulic Machines