Inertia of a Neutrally Buoyant Particle
A neutrally buoyant particle, which has the same density as the surrounding fluid, is suspended while the fluid is at rest. If the fluid then begins to flow horizontally, which statement best describes the particle’s motion relative to the fluid?
A
It will immediately move at exactly the fluid’s velocity
B
It will initially lag behind the fluid flow
C
It will remain stationary regardless of fluid flow
D
It will move faster than the fluid flow
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