Practice Need For Stress-strain Relation (1) - Need for stress-strain relation

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Define stress in your own words.
Show hintHide hint
Think about forces acting on surfaces.
Question 2.
What is strain?
Show hintHide hint
Consider how materials change shape under force.
3Question 3.
What do we call the relationship that joins stress and strain?
- Elasticity Relation
- Constitutive Relation
- Equilibrium Relation
Show hintHide hint
Think about how materials respond to applied forces.
4Question 4.
True or False: Stress can be defined as force over area.
- True
- False
Show hintHide hint
Recall the basic definition of stress.
Question 5.
Design a simple experiment to measure the stress-strain relationship in a material of your choice and outline the steps.
Show hintHide hint
Consider the setup of forces and measurements you would need.
Question 6.
Given a material with a specific stress-strain relation defined by σ = Eϵ, find the stress produced if the strain is 0.01 and E (Young's modulus) is 200 GPa.
Show hintHide hint
Don't forget to convert units appropriately.

4 more questions in this section. Enroll free to practise them all.