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# Mechanical Properties of Fluids Class 11 Physics Notes

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@CorrectLlama

Pressure

### According to Pascal’s Law, what happens to the pressure applied to an enclosed liquid?

Transmitted undiminished to every portion of the liquid and the walls of the containing vessel.

Pascal’s Law

### What is the pressure in a liquid at a depth 'h' from its free surface given by, in terms of atmospheric pressure (Pa), depth (h), density (p), and acceleration due to gravity (g)?

<p>P = Pa + hρg</p> Signup and view all the answers

### What does a column of height 'h' of a liquid of density 'p' exert?

<p>Exerts a pressure P</p> Signup and view all the answers

### What are the main concepts of concern in the chapter on Mechanical Properties of Solids?

<p>Elasticity and plasticity</p> Signup and view all the answers

### Why is a force needed to change the shape of a solid?

<p>To change the shape of a solid, a force is needed.</p> Signup and view all the answers

### What is the importance of making notes while studying each topic thoroughly?

<p>It is important to make notes while studying each topic thoroughly to improve understanding and retention of concepts.</p> Signup and view all the answers

### What are the resources provided by BYJU’S to help students with their exam preparations?

<p>NCERT Solutions for Class 11 Physics in an easily downloadable PDF format</p> Signup and view all the answers

### What is the aim of the experienced faculty in drafting the NCERT Solutions according to the latest CBSE Syllabus?

<p>Improving conceptual knowledge among students</p> Signup and view all the answers

## Study Notes

• Fluids are substances that can flow, including liquids and gases, and do not possess a definite shape.
• When an object is submerged in a fluid at rest, the fluid exerts a force on its surface, which is called thrust.
• The pressure exerted per unit area of a fluid's surface at rest is called pressure.
• Pressure in a fluid is the same at the same horizontal level and acts perpendicularly to the surface.
• Pressure at a point in a liquid depends on the depth below the surface, density, and acceleration due to gravity.
• According to Pascal's Law, the pressure applied to an enclosed liquid is transmitted undiminished to every portion of the liquid and the walls of the containing vessel.
• Hydraulic systems operate on Pascal's Law, with the force exerted to area ratio being constant at all cross-sections.
• The pressure in a fluid column of height h and density p is given by the relation P = Pa + hρg, where Pa is the atmospheric pressure.
• This relation is only valid for incompressible fluids.

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## Description

Explore the fundamental concepts of mechanical properties of fluids in this Class 11 Physics notes. Understand the behavior of liquids and gases, pressure, and thrust experienced by fluids. Access comprehensive notes on fluid mechanics for better understanding.

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