Uploaded May 2026 | Updated September 2026, 3 weeks ago

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The Hidden Physics Inside every Material. Why do some Materials snap and other others bend. Today we are going to learn about Stress and strain curve in Mechanical properties for solids - Physics Grade 11. - Young's Modulus vs Breaking Point. Steel vs Polymers: which survives more?
A stress–strain curve for a material gives the relationship between stress and strain. It is obtained by gradually applying load to a test coupon and measuring the deformation, from which the stress and strain can be determined.

Topics covered in this Video:
00:05 Stress and Strain Curves
00:51 Elastic Limit
01:14 Yield Point
01:35 Breaking Point
02:26 Elastic Modulus
02:29 Young's Modulus
03:17 Modulus of Rigidity or Rigidity Modulus
03:56 Types of Materials
04:09 Metals
04:28 Polymers
04:58 Ceramics and Silicates
05:14 Composite Materials
05:25 Bulk Modulus
05:58 Gases possess two types of bulk moduli




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This video explains the stress-strain curve, detailing concepts like breaking point, yield point, and Young's modulus. It illustrates how stress and strain are measured and graphically represented for various materials. This is a crucial topic for understanding the mechanical properties of solids class 11 and the strength of materials. Perfect for those studying physics and engineering!