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1. |
A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation ? |
A. | Inertial and drag forces are important. |
B. | Drag, gravitational and buoyancy forces are impportant. |
C. | Drag force and gravitational forces are important. |
D. | None of the above. |
Answer» C. Drag force and gravitational forces are important. | |