Practice Relating Stress Matrix At Surface Point With Externally Applied Load (2.1)

Practise this section

9 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
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Define traction in the context of solid mechanics.
Show hintHide hint
Think about forces and areas.
Question 2.
What does a symmetric stress matrix indicate?
Show hintHide hint
Consider how forces balance each other out.
3Question 3.
What is traction?
- Force per unit area
- Mass per volume
- Length per unit time
Show hintHide hint
It's about how much force acts over a surface.
4Question 4.
True or False: The stress matrix is always symmetric.
- True
- False
Show hintHide hint
Consider what symmetry means in terms of balance.
Question 5.
Given a specific load acting on a surface, derive the stress components in the stress matrix.
Show hintHide hint
Focus first on establishing all known values of traction relative to the stress matrix.
Question 6.
A beam has a distributed load applied on one end. How does this affect internal stress distribution?
Show hintHide hint
Look into how forces react internally to one another.

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