Podcast
Questions and Answers
What is the term used to describe a material that does not return to its original shape after deformation?
What is the term used to describe a material that does not return to its original shape after deformation?
- Elasticity
- Compression
- Rigidity
- Plasticity (correct)
What type of deformation occurs when an object returns to its original shape after the removal of an applied force?
What type of deformation occurs when an object returns to its original shape after the removal of an applied force?
- Permanent deformation
- Inelastic deformation
- Elastic deformation (correct)
- Plastic deformation
Which of the following materials is likely to exhibit plastic behavior?
Which of the following materials is likely to exhibit plastic behavior?
- Putty (correct)
- Glass
- Steel
- Rubber
Why is understanding elasticity important in engineering design?
Why is understanding elasticity important in engineering design?
What defines a rigid body?
What defines a rigid body?
Flashcards
Plastic material
Plastic material
A material that does not return to its original shape after deformation.
Elastic deformation
Elastic deformation
Deformation that returns to initial shape after force removal.
Plastic behavior example
Plastic behavior example
A material like putty exhibits plastic behavior.
Importance of elasticity in design
Importance of elasticity in design
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Rigid body
Rigid body
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Study Notes
Elasticity and Plasticity
- Solids can be deformed by applying forces
- Elasticity: The ability of a material to return to its original shape and size after the force is removed
- Elastic deformation: The deformation that occurs when a material is elastic
- Plasticity: The property of substances to permanently deform when a force is applied.
- Plastic substances do not regain their original shape and size after the force is removed.
- Elastic behavior of materials is essential in engineering design.
- The design of structures, like bridges, cars, and ropeways, depends on the elastic properties of materials.
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