Inertial forces are obtained, when the elastic forces are multiplied by ______________ number?
Correct answer: A. Mach
- A. Mach
- B. Froude
- C. Reynolds
- D. Euler
Explanation
The Mach number is the ratio of inertial force to elastic force, expressed as the ratio of flow velocity to the speed of sound. The Froude and Reynolds numbers compare inertial force with gravitational and viscous forces, respectively.
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