Fluid mechanics is a branch of physics that involves which of the following? 1. Hydrodynamics 2. Fluids in motion 3. Thermodynamics 4. Electrical properties of gases
a. 2 c. 1 and 4
b. 1 and 2 d. 3 and 4
ANS: B
Fluid mechanics deals with the behavior of fluids in motion and involves fluid dynamics. Hy-drodynamics is the study of fluids in motion.
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