A) Linear and Isotropic
B) Isotropic and Homogeneous
C) Linear

Multiple Choice

$$\text { If the stress component } \sigma _ { x x } \text { is given by } \sigma _ { x x } = - p + 2 \mu \partial u / \partial x \text {, the incompressible fluid is: }$$

A) Linear and isotropic
B) Isotropic and homogeneous
C) Linear and homogeneous
D) Linear, isotropic, and homogeneous