Elasticity,spring constant and hookes's law

• What are the different types of elasticity discussed in the video?

  Elastic and inelastic deformation
• What does the term 'spring constant' refer to?

  It measures stiffness of a spring
• What is Hooke's Law?

  Force is proportional to extension
• What happens when a force is applied to an object?

  It can compress, stretch, or bend
• Why is it easier to see deformation in a spring than in other objects?

  Springs are more elastic than other objects
• What must be applied to keep an object stationary?

  More than one force must be applied
• What do we call the change in shape of an object?

  Deformation
• What is elastic deformation?

  Object returns to original shape after force removal
• What is inelastic deformation?

  Object does not return to original shape
• What is extension in the context of springs?

  Increasing length of a spring when stretched
• What happens to a spring's length when a mass is added?

  Its length increases due to the weight
• What does the spring's own mass exert on it?

  A downward force in the form of weight
• What is the natural length of a spring?

  Length before any forces are applied
• What does the solid support do when a mass is added to a spring?

  Exerts an equal but opposite force upwards
• How is the relationship between force and extension represented mathematically?

  As $f \propto e$
• What does the letter 'k' represent in the equation $f =$$ke$?


  The spring constant
• What does a higher spring constant indicate?

  Material is stiffer and requires more force
• What does a graph of force against extension show?

  Force and extension are directly proportional
• What is the elastic limit?

  The point where Hooke's Law no longer applies
• What happens after the elastic limit is reached?

  The object may not return to original shape
• What are the key concepts related to elasticity covered in the video?

  • Types of deformation: elastic and inelastic
  • Spring constant and its significance
  • Hooke's Law and its application
  • Force-extension relationship
  • Elastic limit and its implications