Deformation & Compression (OCR A Level Physics)

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Deformation & Compression

  • Forces don’t just change the motion of a body, but can change the size and shape of them too
    • This is known as deformation

  • Forces in opposite directions stretch or compress a body
    • When two forces stretch a body, they are described as tensile
    • When two forces compress a body, they are known as compressive

Tensile and compression forces, downloadable AS & A Level Physics revision notes

Diagram of tensile and compressive forces

  • When a force (load) is applied to a spring, it produces a tensile force and causes the spring to extend
  • When a force is applied in the opposite direction, the spring compresses

Load extension and force, downloadable AS & A Level Physics revision notes

Stretching a spring with a load produces a force that leads to an extension

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Katie M

Author: Katie M

Expertise: Physics

Katie has always been passionate about the sciences, and completed a degree in Astrophysics at Sheffield University. She decided that she wanted to inspire other young people, so moved to Bristol to complete a PGCE in Secondary Science. She particularly loves creating fun and absorbing materials to help students achieve their exam potential.