Figure 1 displays the response to shear stress over a solid and over a fluid. a) [7.5 marks/explanation] Explain the difference between behaviors illustrated on Figure 1. b) [5 marks) What is the significance of "B" on both Figures 1A and B? If shear stress has been removed, what happens to "B" for the case of the solid (Figure 1A)? A B B=B B'>B B B F F Figure 1: Response to shear stress over (A) a solid and (B) a fluid. a