2.1. Relating stress matrix at surface point with externally applied load

Try these first

1. 1.

   Define traction in the context of solid mechanics.

   Hint

   Think about forces and areas.

2. 2.

   What does a symmetric stress matrix indicate?

   Hint

   Consider how forces balance each other out.

3. 3.

   What is traction?

   • Force per unit area
   • Mass per volume
   • Length per unit time

   Hint

   It's about how much force acts over a surface.

4. 4.

   True or False: The stress matrix is always symmetric.

   • True
   • False

   Hint

   Consider what symmetry means in terms of balance.

5. 5.

   Given a specific load acting on a surface, derive the stress components in the stress matrix.

   Hint

   Focus first on establishing all known values of traction relative to the stress matrix.

6. 6.

   A beam has a distributed load applied on one end. How does this affect internal stress distribution?

   Hint

   Look into how forces react internally to one another.