Asked in FBISE Physics 2022 — Paper 1 2022Moderate

A body which breaks down just after crossing the elastic limit is known as:

Correct answer: D. Brittle

  • A. Elastic
  • B. Hard
  • C. Ductile
  • D. Brittle

Explanation

A body that breaks down immediately after crossing the elastic limit is known as brittle.

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About Deformation and Elasticity

Deformation and elasticity describe how solids change shape or volume under an applied force and return to their original form when the force is removed. Work includes stress, strain, Hooke’s law, elastic limit, Young’s modulus and elastic potential energy, while elastic deformation must be distinguished from permanent plastic deformation.

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