Question

A fluid is defined as one which:

• A. is solid-like when there is no motion
• B. deforms continuously when subjected to shear stress
• C. cannot withstand shear
• D. can withstand elongation

Answer 1

Answer:

B. deforms continuously when subjected to shear stress

A fluid is defined as a substance that deforms continuously when subjected to shear stress. This means that no matter how small the shear force is, a fluid will deform under its influence.