Q1 In the continuum description of a fluid the molecular nat

Q1. In the continuum description of a fluid the molecular nature of the material is ignored: (1) True (2) False Q2. The pressures at either side of an interface between two fluids (one of which may be the atmosphere) are equal: (1) True (2) False Q3. In the expression for the force due to a pressure distribution, A-pi d A, the force is acting: (1) Tow surface (2) Outward from the surface (3) Cannot be determined

Solution

1 true.

In the continuum theory the molecular nature was not considered.

2. True.

The pressure at either side of an interface between two fluids are equal.

3. Negative pressure indicates the force acting out ward grof the surface.

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