12.1 – Investigating Work and Energy in Stretching or Compression (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is the relationship between applied force and deformation according to Hooke's law?
What is the relationship between applied force and deformation according to Hooke's law?
They are directly proportional
If you triple the force applied to a material, what happens to the extension within the elastic limit?
If you triple the force applied to a material, what happens to the extension within the elastic limit?
The extension triples
Which equipment is used to apply force in the compression investigation with a rubber block?
Which equipment is used to apply force in the compression investigation with a rubber block?
A metre stick or piece of wood
What happens to a rubber block as you increase the downward force applied to it?
What happens to a rubber block as you increase the downward force applied to it?
It becomes more compressed
What device measures the exact force applied during the extension investigation?
What device measures the exact force applied during the extension investigation?
A Newton meter
In the extension investigation, where is one end of the elastic cord secured?
In the extension investigation, where is one end of the elastic cord secured?
Clamped to a fixed point on the bench
What shape does the graph show when plotting applied force against extension length?
What shape does the graph show when plotting applied force against extension length?
A straight line
What does the gradient of the force-extension graph represent?
What does the gradient of the force-extension graph represent?
The elastic constant
What is elastic deformation?
What is elastic deformation?
Deformation that reverses when force is removed
What type of energy is stored when you stretch or compress an elastic material?
What type of energy is stored when you stretch or compress an elastic material?
Elastic potential energy
What fundamental principle do both compression and extension investigations demonstrate?
What fundamental principle do both compression and extension investigations demonstrate?
Force and deformation are proportional
Which of these is a practical application of Hooke's law?
Which of these is a practical application of Hooke's law?
Designing springs in mechanical systems