Physics 11 Chapter 7: Deformation of solids | Stress-Strain Curve & Elastic Potential Energy | NBF

This section delves into the Stress-Strain Curve and Elastic Potential Energy, fundamental concepts in Physics 11 Chapter 7: Deformation of Solids, as outlined by the National Books Foundation (NBF) for the Federal Board of Intermediate and Secondary Education (FBISE), Islamabad.

Stress-Strain Curve: A graphical representation showing how materials deform under stress. Key points on this curve include:

Elastic Limit: The maximum stress a material can withstand and still return to its original shape.
Plastic Limit: The point beyond which permanent deformation occurs.
Ultimate Tensile Strength (UTS): The maximum stress a material can endure before it breaks.
Elastic Potential Energy: The energy stored in a material when it is stretched or compressed within its elastic limit.

This chapter also covers:

Ductile Substances: Materials that can be stretched into wires.
Brittle Materials: Substances that break without significant deformation.
Strain Energy: The energy absorbed by a material as it deforms under load.
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