Stress Vs Strain (conceptual)
Easyphysics
Stress is defined as?
Select the correct option:
Solution
Incorrect! Answer:
Force / area
- Definition: Stress is the internal restoring force developed per unit area of a deformed body.
- Type: For small deformations, this restoring force is equal in magnitude to the external applied force (F).
- Formula: Stress=AF.
- Dimensions: [ML−1T−2] (same as pressure).
- Strain Check: Option 1 refers to Strain (relative deformation). Option 4 refers to Elastic Energy Density.
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About This Question
- Subject
- physics
- Chapter
- properties of solids and liquids
- Topic
- stress vs strain (conceptual)
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Force / area
- Definition: Stress is the internal restoring force developed per unit area of a deformed body.
- Type: For small deformations, this restoring force is equal in magnitude to the external applied force (F).
- Formula: Stress=AF.
- Dimensions: [ML−1T−2] (same as pressure).
- Strain Check: Option 1 refers to Strain (relative deformation). Option 4 refers to Elastic Energy Density.
This easy difficulty physics question is from the chapter properties of solids and liquids, covering the topic of stress vs strain (conceptual). It appeared in the 2025 exam.
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