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In a two-dimensional flow field, velocity vectors at any point lie within a plane. What is the nature of fluid motion in this case?

4. In a two-dimensional flow field, velocity vectors at any point lie within a plane. What is the nature of fluid motion in this case?

1. Motion along two orthogonal directions
2. Motion in a spiral pattern
3. Motion along a single direction
4. Motion in a helical pattern

Answer: A) Motion along two orthogonal directions

Explanation:

In a two-dimensional flow field, fluid motion occurs in a plane, and velocity vectors lie within that plane, typically involving two orthogonal directions.