{"id":3949,"date":"2026-03-28T05:45:58","date_gmt":"2026-03-28T05:45:58","guid":{"rendered":"https:\/\/ksquareinstitute.in\/blog\/?p=3949"},"modified":"2026-04-03T12:16:25","modified_gmt":"2026-04-03T12:16:25","slug":"mechanical-properties-of-solids-class-11-notes","status":"publish","type":"post","link":"https:\/\/ksquareinstitute.in\/blog\/mechanical-properties-of-solids-class-11-notes\/","title":{"rendered":"Mechanical Properties of Solids | Physics Free PDF Download"},"content":{"rendered":"\n<style>\n@import url('https:\/\/www.google.com\/search?q=https:\/\/fonts.googleapis.com\/css2%3Ffamily%3DDM%2BSans:ital,opsz,wght%400,9..40,300%3B0,9..40,400%3B0,9..40,500%3B0,9..40,600%3B1,9..40,400%26family%3DJetBrains%2BMono:wght%40400%3B500%3B700%26family%3DPlus%2BJakarta%2BSans:wght%40400%3B600%3B700%3B800%26display%3Dswap');\n\n:root {\n--accent: #e8600a;\n--accent-light: #fff3ec;\n--accent-mid: #fde3cc;\n--dark: #111827;\n--text: #1a1a1a;\n--text-muted: #4b5563;\n--border: #e5e7eb;\n--green-bg: #f0fdf4;\n--green-border: #16a34a;\n--blue-bg: #eff6ff;\n--blue-border: #3b82f6;\n}\n\nbody {\nmargin: 0;\npadding: 0;\nfont-family: 'DM Sans', sans-serif;\ncolor: var(--text);\nline-height: 1.6;\nbackground-color: #ffffff;\n}\n\n.content-wrapper {\npadding: 0 40px;\n}\n\n@media (max-width: 640px) {\n.content-wrapper {\npadding: 0 20px;\n}\n}\n\nh1, h2, h3, h4 {\nfont-family: 'Plus Jakarta Sans', sans-serif;\ncolor: var(--dark);\n}\n\nh1 { font-size: 2.5rem; 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display: block; margin-bottom: 20px; justify-content: center; }\n.cta-section p { color: rgba(255,255,255,0.85); max-width: 800px; margin: 0 auto 30px; font-size: 1.1rem; }\n.cta-btns { display: flex; gap: 20px; justify-content: center; }\n\n.btn-solid { background: white; color: var(--accent); padding: 14px 30px; border-radius: 6px; font-weight: 700; text-decoration: none; }\n.btn-outline { border: 2px solid white; color: white; padding: 12px 28px; border-radius: 6px; font-weight: 700; text-decoration: none; }\n\n@media (max-width: 640px) {\n.cta-btns { flex-direction: column; }\n}\n<\/style>\n\n<div class=\"content-wrapper\">\n\n<h2><div class=\"badge\">01<\/div> Introduction to Mechanical Properties of Solids class 11 notes<\/h2>\n<p>While we often consider solids to be rigid and unchangeable, every material undergoes some degree of deformation when subjected to an external force. In these <strong>Mechanical Properties of Solids class 11 notes<\/strong>, we explore the physics behind how materials respond to loads. The ability of a body to resist a permanent change in its shape or size is a fundamental property that dictates its use in engineering\u2014from the wires in a crane to the beams in a skyscraper.<\/p>\n\n<div class=\"callout tip\">\n<span class=\"pill\">TIP<\/span>\n<p>In physics, a &#8220;rigid body&#8221; is an idealization. In reality, every solid can be deformed if the external force is large enough. Understanding the atomic-level interactions helps visualize why materials resist these changes.<\/p>\n<\/div>\n\n<h2><div class=\"badge\">02<\/div> Elastic Behavior of Solids<\/h2>\n<p>When an external force is applied to a solid, the atoms or molecules are displaced from their equilibrium positions, leading to a change in inter-atomic distances. Once the force is removed, internal <strong>restoring forces<\/strong> drive the atoms back to their original positions.<\/p>\n<div class=\"grid-cards\">\n<div class=\"mini-card\">\n<span class=\"card-label\">ELASTICITY<\/span>\n<p class=\"card-text\">The property of a body by virtue of which it tends to regain its original size and shape when the applied force is removed.<\/p>\n<\/div>\n<div class=\"mini-card\">\n<span class=\"card-label\">PLASTICITY<\/span>\n<p class=\"card-text\">If a body does not regain its original shape and size even after the removal of deforming force, it is called a plastic body.<\/p>\n<\/div>\n<\/div>\n<p>Common examples include steel (highly elastic) and putty or mud (highly plastic). For NEET aspirants, it is crucial to remember that steel is more elastic than rubber because it requires more force to produce the same strain.<\/p>\n\n<a href=\"https:\/\/courses.ksquare.co.in\/new-courses\/3-mission-180-neet-physics-rankers-batch\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" style=\"display:block; margin-bottom:20px;\">\n<img decoding=\"async\" src=\"https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/03\/Course-Poromo-Banner-scaled.png\" alt=\"Mission 180 NEET Physics Rankers Batch - KSquare Career Institute\" style=\"width:100%; height:auto; border-radius:10px; display:block;\">\n<\/a>\n\n<h2><div class=\"badge\">03<\/div> Stress and Strain<\/h2>\n<p>To quantify the deformation in <strong>Mechanical Properties of Solids class 11 notes<\/strong>, we define two primary terms: Stress and Strain.<\/p>\n\n<span class=\"formula-label\">DEFORMING STRESS FORMULA<\/span>\n\n<div class=\"formula-dark\">\n<code>Stress = Restoring Force \/ Area = F \/ A<\/code>\n<\/div>\n\n<h3>Types of Stress<\/h3>\n<ul>\n<li><strong>Normal Stress:<\/strong> Applied perpendicular to the surface (Tensile or Compressive).<\/li>\n<li><strong>Shear (Tangential) Stress:<\/strong> Applied parallel to the surface, causing a change in shape.<\/li>\n<\/ul>\n\n<span class=\"formula-label\">STRAIN CALCULATION<\/span>\n\n<div class=\"formula-orange\">\n<code>Strain = Change in Dimension \/ Original Dimension<\/code>\n<\/div>\n<p>Strain is a dimensionless quantity as it is a ratio of similar physical quantities. Types include Longitudinal strain (\u0394L\/L), Volumetric strain (\u0394V\/V), and Shear strain (\u03b8).<\/p>\n\n<h2><div class=\"badge\">04<\/div> Hooke\u2019s Law and Elastic Limit<\/h2>\n<p>Robert Hooke discovered that for small deformations, the stress developed in a body is directly proportional to the strain produced. This is the cornerstone of <strong>Mechanical Properties of Solids class 11 notes<\/strong>.<\/p>\n\n<div class=\"formula-dark\">\n<code>Stress \u221d Strain  =>  Stress = E \u00d7 Strain<\/code>\n<\/div>\n<p>Here, E is the modulus of elasticity. This law holds true only within the <strong>Elastic Limit<\/strong>. If the stress exceeds this limit, the material will not return to its original state.<\/p>\n\n<div class=\"callout warning\">\n<span class=\"pill\">WARN<\/span>\n<p>Hooke&#8217;s Law is not a universal law; it is an empirical observation valid only for the linear region of the stress-strain curve.<\/p>\n<\/div>\n\n<h2><div class=\"badge\">05<\/div> The Stress-Strain Curve<\/h2>\n<p>The stress-strain curve provides a &#8220;biography&#8221; of a material under load. It shows the relationship between stress and strain as the load increases until the material fractures.<\/p>\n\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Region\/Point<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Proportional Limit<\/td>\n<td>The point up to which Stress is strictly proportional to Strain.<\/td>\n<\/tr>\n<tr>\n<td>Elastic Limit (Yield Point)<\/td>\n<td>The maximum stress the material can endure and still return to its original shape.<\/td>\n<\/tr>\n<tr>\n<td>Permanent Set<\/td>\n<td>Deformation remains even after removing load (occurs beyond Yield Point).<\/td>\n<\/tr>\n<tr>\n<td>Fracture Point<\/td>\n<td>The point where the material finally breaks.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<h2><div class=\"badge\">06<\/div> Elastic Moduli<\/h2>\n<p>Depending on the type of stress and strain, we define three main elastic moduli in the <strong>Mechanical Properties of Solids class 11 notes<\/strong>.<\/p>\n\n<div class=\"grid-cards\">\n<div class=\"mini-card\">\n<span class=\"card-label\">YOUNG\u2019S MODULUS (Y)<\/span>\n<p class=\"card-text\">Ratio of longitudinal stress to longitudinal strain. Applicable only to solids (wires\/rods).<\/p>\n<code>Y = (F \u00d7 L) \/ (A \u00d7 \u0394L)<\/code>\n<\/div>\n<div class=\"mini-card\">\n<span class=\"card-label\">BULK MODULUS (B)<\/span>\n<p class=\"card-text\">Ratio of hydraulic stress to volumetric strain. Applicable to solids, liquids, and gases.<\/p>\n<code>B = - P \/ (\u0394V\/V)<\/code>\n<\/div>\n<\/div>\n\n<span class=\"formula-label\">SHEAR MODULUS (G)<\/span>\n\n<div class=\"formula-dark\">\n<code>G = Shear Stress \/ Shear Strain = (F\/A) \/ \u03b8<\/code>\n<\/div>\n\n<div class=\"internal-links\">\n<span>Boost Your NEET Preparation:<\/span>\n<a href=\"https:\/\/ksquareinstitute.in\/blog\/neet-physics-survival-kit-2026\/\">Physics Survival Kit<\/a>\n<a href=\"https:\/\/ksquareinstitute.in\/blog\/top-10-tricky-neet-biology-diagrams\/\">Tricky Biology Diagrams<\/a>\n<a href=\"https:\/\/ksquareinstitute.in\/free-study-material\/\">Free Study Material<\/a>\n<\/div>\n\n<a href=\"https:\/\/ksquareinstitute.in\/neet-2026-rank-predictor\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" style=\"display:block; margin-bottom:20px;\">\n<img decoding=\"async\" src=\"https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/03\/neet-2026-college-and-rank-predictor-scaled.png\" alt=\"NEET 2026 Rank Predictor - KSquare Career Institute\" style=\"width:100%; height:auto; border-radius:10px; display:block;\">\n<\/a>\n\n<h2><div class=\"badge\">07<\/div> Poisson\u2019s Ratio and Elastic Constants<\/h2>\n<p>When a wire is stretched, its length increases but its diameter decreases. This lateral contraction is quantified by Poisson\u2019s Ratio (\u03c3).<\/p>\n\n<span class=\"formula-label\">POISSON\u2019S RATIO<\/span>\n\n<div class=\"formula-orange\">\n<code>\u03c3 = Lateral Strain \/ Longitudinal Strain = -(\u0394d\/d) \/ (\u0394L\/L)<\/code>\n<\/div>\n<p>The theoretical value of \u03c3 lies between \u22121 and 0.5, but for most solids, it is between 0.2 and 0.4.<\/p>\n\n<h2><div class=\"badge\">08<\/div> Energy Stored in a Stretched Wire<\/h2>\n<p>Work must be done against the internal restoring forces to deform a solid. This work is stored as <strong>Elastic Potential Energy<\/strong>.<\/p>\n\n<span class=\"formula-label\">ELASTIC ENERGY FORMULA<\/span>\n\n<div class=\"formula-dark\">\n<code>Energy (U) = \u00bd \u00d7 Stress \u00d7 Strain \u00d7 Volume<\/code>\n<\/div>\n<p>The <strong>Energy Density<\/strong> (energy per unit volume) is simply u=\u00bd\u00d7Stress\u00d7Strain. This is a very frequent topic in NEET numerical questions.<\/p>\n\n<a href=\"#\" rel=\"nofollow noopener noreferrer\" class=\"btn-download\">\n<svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4M7 10l5 5 5-5M12 15V3\"\/><\/svg>\nDownload Formula PDF\n<\/a>\n\n<h2><div class=\"badge\">09<\/div> PYQ Trends: Mechanical Properties of Solids<\/h2>\n<p>Analyzing previous years&#8217; questions (PYQs) helps prioritize topics within the <strong>Mechanical Properties of Solids class 11 notes<\/strong>.<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Topic<\/th>\n<th>Frequency<\/th>\n<th>Focus Area<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Young\u2019s Modulus Numericals<\/td>\n<td>High<\/td>\n<td>Comparison of two wires of different materials.<\/td>\n<\/tr>\n<tr>\n<td>Stress-Strain Curve<\/td>\n<td>Medium<\/td>\n<td>Identifying ductile vs brittle materials.<\/td>\n<\/tr>\n<tr>\n<td>Energy Stored<\/td>\n<td>High<\/td>\n<td>Energy density and work done calculations.<\/td>\n<\/tr>\n<tr>\n<td>Poisson&#8217;s Ratio<\/td>\n<td>Low<\/td>\n<td>Theoretical limits and basic ratios.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<h2><div class=\"badge\">10<\/div> Quick Revision Box<\/h2>\n<div class=\"revision-box\">\n<h3>Key Takeaways for NEET<\/h3>\n<ul>\n<li>Stress is Force\/Area; Strain is \u0394L\/L (dimensionless).<\/li>\n<li>Steel is more elastic than rubber because Y_{steel} &gt; Y_{rubber}.<\/li>\n<li>Modulus of Elasticity depends on the material, not dimensions.<\/li>\n<li>Compressibility is the reciprocal of Bulk Modulus (K=1\/B).<\/li>\n<li>Isothermal Bulk Modulus of a gas is equal to its pressure (P).<\/li>\n<li>Adiabatic Bulk Modulus of a gas is \u03b3P.<\/li>\n<li>Breaking stress is a material property and does not depend on length.<\/li>\n<li>Elongation of a wire under its own weight: \u0394L= \n2Y\n\u03c1gL \n2\n \n\u200b\n .<\/li>\n<li>Work done in stretching = Average Force \u00d7 Extension.<\/li>\n<li>Ductile materials have a large plastic range; Brittle materials have a small plastic range.<\/li>\n<\/ul>\n<\/div>\n\n<h2><div class=\"badge\">11<\/div> Frequently Asked Questions (FAQ)<\/h2>\n<details>\n<summary>Why is steel more elastic than rubber?<\/summary>\n<div class=\"faq-answer\">\nElasticity is measured by the resistance to deformation. Since it takes much more force to produce the same strain in steel as in rubber, Young&#8217;s Modulus for steel is higher, making it more elastic.\n<\/div>\n<\/details>\n<details>\n<summary>Does the value of Young\u2019s Modulus change with the length of the wire?<\/summary>\n<div class=\"faq-answer\">\nNo. Young\u2019s Modulus is a property of the material. It remains constant regardless of the length or area of the wire, as long as the material and temperature are the same.\n<\/div>\n<\/details>\n<details>\n<summary>What happens to the elastic moduli as temperature increases?<\/summary>\n<div class=\"faq-answer\">\nIn general, as temperature increases, the intermolecular forces weaken, causing the elastic moduli (Young&#8217;s, Bulk, and Shear) to decrease.\n<\/div>\n<\/details>\n<details>\n<summary>What are Elastomers?<\/summary>\n<div class=\"faq-answer\">\nElastomers are materials like rubber or the tissue of the aorta that can be stretched to many times their original length but do not strictly follow Hooke&#8217;s Law.\n<\/div>\n<\/details>\n<details>\n<summary>What is the physical significance of Bulk Modulus?<\/summary>\n<div class=\"faq-answer\">\nBulk Modulus measures a material&#8217;s resistance to change in volume without change in shape. High Bulk Modulus means the material is highly incompressible.\n<\/div>\n<\/details>\n\n<h2><div class=\"badge\">12<\/div> Common Mistakes to Avoid<\/h2>\n<ul>\n<li><strong>Confusing Stress with Pressure:<\/strong> While both have the same units, stress is an internal restoring force, while pressure is an external applied force.<\/li>\n<li><strong>Units:<\/strong> Always ensure Area is in m \n2\n  and Force is in Newtons. NEET often gives diameter in mm.<\/li>\n<li><strong>Sign in Bulk Modulus:<\/strong> Don&#8217;t forget the negative sign in B=\u2212P\/(\u0394V\/V), which indicates that as pressure increases, volume decreases.<\/li>\n<\/ul>\n\n<div class=\"cta-section\">\n<h2>Master Physics with KSquare Career Institute<\/h2>\n<p>Struggling with complex derivations or numericals? Join our specialized rankers batch and get access to interactive sessions, shortcut tricks, and comprehensive study modules designed for NEET success.<\/p>\n<div class=\"cta-btns\">\n<a href=\"https:\/\/courses.ksquare.co.in\/new-courses\/3-mission-180-neet-physics-rankers-batch\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"btn-solid\">Enroll now<\/a>\n<a href=\"https:\/\/ksquareinstitute.in\/free-study-material\/\" target=\"_blank\" class=\"btn-outline\">Browse Free Notes<\/a>\n<\/div>\n<\/div>\n\n<\/div>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>Table of Contents \u2014 Physics Class 11<\/title>\n  \n  <!-- Google Fonts Import -->\n  <link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n  <link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n  <link href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&#038;family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&#038;display=swap\" rel=\"stylesheet\">\n  \n  <style>\n    \/* Scoped wrapper using a unique ID to prevent CSS conflicts. *\/\n    #physics-toc-wrapper {\n      font-family: 'DM Sans', sans-serif;\n      width: 100%;\n      margin: 0;\n      padding: 60px 0;\n      color: #111;\n      background: #fff;\n      -webkit-font-smoothing: antialiased;\n    }\n\n    #physics-toc-wrapper .container-inner {\n      width: 100%;\n      margin: 0 auto;\n      padding: 0; \/* Set left\/right padding to 0 *\/\n    }\n\n    #physics-toc-wrapper h1 {\n      font-family: 'Plus Jakarta Sans', sans-serif;\n      font-size: 0.85rem;\n      font-weight: 700;\n      color: #71717a;\n      margin: 0 0 8px;\n      letter-spacing: 0.1em;\n      text-transform: uppercase;\n      padding-left: 16px; \/* Keeping a small offset for headings so they aren't touching the screen edge *\/\n    }\n\n    #physics-toc-wrapper h2 {\n      font-family: 'Plus Jakarta Sans', sans-serif;\n      font-size: 2.25rem;\n      font-weight: 800;\n      margin: 0 0 48px;\n      letter-spacing: -0.02em;\n      color: #09090b;\n      padding-left: 16px; \/* Keeping a small offset for headings *\/\n    }\n\n    #physics-toc-wrapper table {\n      width: 100%;\n      border-collapse: collapse;\n      border-spacing: 0;\n      \/* Border-left and border-right set to none or removed if you want it truly edge-to-edge with the screen *\/\n      border-top: 1px solid #e4e4e7;\n      border-bottom: 1px solid #e4e4e7;\n    }\n\n    #physics-toc-wrapper tr {\n      border-bottom: 1px solid #e4e4e7;\n      transition: all 0.2s ease;\n    }\n\n    #physics-toc-wrapper tr:hover {\n      background-color: #f8fafc;\n    }\n\n    #physics-toc-wrapper tr:last-child {\n      border-bottom: none;\n    }\n\n    #physics-toc-wrapper td {\n      padding: 24px 16px;\n      vertical-align: middle;\n      font-size: 1.05rem;\n      font-weight: 500;\n      border-right: 1px solid #e4e4e7;\n    }\n\n    #physics-toc-wrapper td:last-child {\n      border-right: none;\n    }\n\n    \/* First column (Numbers) alignment and padding *\/\n    #physics-toc-wrapper td:first-child {\n      color: #a1a1aa;\n      font-size: 0.9rem;\n      width: 70px;\n      font-weight: 400;\n      font-variant-numeric: tabular-nums;\n      text-align: center;\n      padding-left: 10px;\n    }\n\n    \/* Middle column (Chapter Name) alignment and padding *\/\n    #physics-toc-wrapper td:nth-child(2) {\n      padding-left: 24px;\n      color: #18181b;\n    }\n\n    \/* Last column (Button) alignment and padding *\/\n    #physics-toc-wrapper td:last-child {\n      text-align: right;\n      width: 180px;\n      padding-right: 16px;\n    }\n\n    \/* Button Styling *\/\n    #physics-toc-wrapper a.go {\n      display: inline-block;\n      font-family: 'Plus Jakarta Sans', sans-serif;\n      font-size: 0.75rem;\n      font-weight: 800;\n      padding: 12px 24px;\n      border: 1.5px solid #18181b;\n      border-radius: 8px;\n      color: #18181b;\n      text-decoration: none;\n      letter-spacing: 0.05em;\n      text-transform: uppercase;\n      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);\n      white-space: nowrap;\n    }\n\n    #physics-toc-wrapper a.go:hover {\n      background: #18181b;\n      color: #ffffff;\n      transform: translateY(-2px);\n      box-shadow: 0 4px 12px rgba(24, 24, 27, 0.15);\n    }\n\n    \/* Responsive adjustments *\/\n    @media (max-width: 768px) {\n      #physics-toc-wrapper h2 {\n        font-size: 1.75rem;\n        margin-bottom: 32px;\n      }\n      #physics-toc-wrapper td {\n        padding: 18px 12px;\n        font-size: 0.95rem;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<div id=\"physics-toc-wrapper\">\n  <div class=\"container-inner\">\n    <h1>Table of Contents<\/h1>\n    <h2>Physics &mdash; Class 11<\/h2>\n    \n    <table>\n      <tr><td>01<\/td><td>Units and Measurements<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/units-and-measurements-class-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>02<\/td><td>Motion in a Straight Line<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/motion-in-a-straight-line-class-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>03<\/td><td>Motion in a Plane<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/motion-in-a-plane-class-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>04<\/td><td>Laws of Motion<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/laws-of-motion-class-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>05<\/td><td>Work, Energy and Power<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/work-energy-and-power-class-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>06<\/td><td>System of Particles and Rotational Motion<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/system-of-particles-and-rotational-motion-class-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>07<\/td><td>Gravitation<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/gravitation-class-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>08<\/td><td>Mechanical Properties of Solids<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/mechanical-properties-of-solids-class-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>09<\/td><td>Mechanical Properties of Fluids<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/mechanical-properties-of-fluids-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>10<\/td><td>Thermal Properties of Matter<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/thermal-properties-of-matter-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>11<\/td><td>Thermodynamics<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/thermodynamics-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>12<\/td><td>Kinetic Theory<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/kinetic-theory-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>13<\/td><td>Oscillations<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/oscillations-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>14<\/td><td>Waves<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/waves-11-notes\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n    <\/table>\n  <\/div>\n<\/div>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>01 Introduction to Mechanical Properties of Solids class 11 notes While we often consider solids to be rigid and unchangeable, every material undergoes some degree of deformation when subjected to an external force. In these Mechanical Properties of Solids class 11 notes, we explore the physics behind how materials respond to loads. The ability of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[127],"tags":[139,141,135,142,136,133,140,134,138,137],"class_list":["post-3949","post","type-post","status-publish","format-standard","hentry","category-free-study-material","tag-bulk-modulus-and-shear-modulus","tag-class-11-physics-chapter-9-notes","tag-elastic-moduli-class-11","tag-elasticity-in-physics-class-11","tag-hookes-law-class-11-physics","tag-mechanical-properties-of-solids-class-11-notes","tag-mechanical-properties-of-solids-numericals","tag-stress-and-strain-class-11","tag-stress-strain-curve-class-11","tag-youngs-modulus-formula"],"blocksy_meta":{"page_structure_type":"type-1","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/3949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/comments?post=3949"}],"version-history":[{"count":4,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/3949\/revisions"}],"predecessor-version":[{"id":4211,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/3949\/revisions\/4211"}],"wp:attachment":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media?parent=3949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/categories?post=3949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/tags?post=3949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}