Contact Angle in Capillarity and Surface Forces in Liquids (Curved Surfaces) Formulas

The Contact Angle is an angle that a liquid creates with a solid surface or capillary walls of a porous material when both materials come in contact together. And is denoted by θ. Contact Angle is usually measured using the Degree for Angle. Note that the value of Contact Angle is always negative.

Capillarity and Surface Forces in Liquids (Curved Surfaces) formulas that make use of Contact Angle

fxSurface Tension given Contact AngleGo

fxForce given Surface Tension using Wilhelmy-Plate MethodGo

FAQ

What is the Contact Angle?

The Contact Angle is an angle that a liquid creates with a solid surface or capillary walls of a porous material when both materials come in contact together. Contact Angle is usually measured using the Degree for Angle. Note that the value of Contact Angle is always negative.

Can the Contact Angle be negative?

Yes, the Contact Angle, measured in Angle can be negative.

What unit is used to measure Contact Angle?

Contact Angle is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which Contact Angle can be measured.

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