Physics · Fluid Mechanics & Similitude
For complete dynamic similarity between a geometric model and its prototype, which of the following dimensionless force ratios must be maintained equal in both cases?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Ratio of inertial force to viscous force (Reynolds number) only
- 2Ratio of inertial force to gravitational force (Froude number) only
- 3Ratio of inertial force to surface tension force (Weber number) only
- 4All the relevant ratios of inertial force to viscous, gravitational, surface tension, and elastic forces✓
Correct answer
All the relevant ratios of inertial force to viscous, gravitational, surface tension, and elastic forces
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