The equation of motion for the liquid film in fully developed laminar

1.	The equation of motion for the liquid film in fully developed laminar flow in y-direction is:
A.	¬¨¬®¬¨¬µd<sup>2</sup>u<sub>y</sub>/dx<sup>2</sup> + ‚âà√¨‚àö√ñg =0
B.	¬¨¬®¬¨¬µd<sup>2</sup>u<sub>y</sub>/dy<sup>2</sup> + ‚âà√¨‚àö√ñg =0
C.	¬¨¬®¬¨¬µd<sup>2</sup>u<sub>y</sub>/dz<sup>2</sup> + ‚âà√¨‚àö√ñg =0
D.	¬¨¬®¬¨¬µd<sup>2</sup>u<sub>y</sub>/dx<sup>2</sup> = 0
Answer» D. ¬¨¬®¬¨¬µd<sup>2</sup>u<sub>y</sub>/dx<sup>2</sup> = 0

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The equation of motion for the liquid film in fully developed laminar flow in y-direction is:

The equation of motion for the liquid film in fully developed laminar flow in y-direction is:

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