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

Atmospheric Pressure and Gauge Pressure

The pressure of the atmosphere at any point is equal to the weight of a column … Read more Atmospheric Pressure and Gauge Pressure

Variation of Pressure with Depth

Consider a fluid at rest in a container. In Fig. 1 point 1 is at height h above… Read more Variation of Pressure with Depth

Pascal’s Law

The French scientist Blaise Pascal observed that the pressure in a fluid at res… Read more Pascal’s Law

Pressure

A sharp needle when pressed against our skin pierces it. Our skin, however, rem… Read more Pressure

Applications Of Elastic Behaviour Of Materials

The elastic behaviour of materials plays an important role in everyday life. Al… Read more Applications Of Elastic Behaviour Of Materials

Elastic Potential Energy in a Stretched Wire

When a wire is put under a tensile stress, work is done against the inter-atomi… Read more Elastic Potential Energy in a Stretched Wire

Bulk Modulus and Poisson's Ratio

In Section ( STRESS AND STRAIN ), we have seen that when a body is submerged in… Read more Bulk Modulus and Poisson's Ratio

Shear Modulus

The ratio of shearing stress to the corresponding shearing strain is called the… Read more Shear Modulus

Determination of Young’s Modulus of the Material of a Wire

A typical experimental arrangement to determine the Young’s modulus of a materi… Read more Determination of Young’s Modulus of the Material of a Wire