Two glass plates are separated by a thin layer of water of thickness 0.01 mm. If the wetted area corresponding to each plate be 30cm^(2), calculate the force required to pull the plate apart. Surface tension of water is 75 dyne/cm.

Two glass plates are separated by a thin layer of water of thickness 0

1.	Two glass plates are separated by a thin layer of water of thickness 0.01 mm. If the wetted area corresponding to each plate be 30cm^(2), calculate the force required to pull the plate apart. Surface tension of water is 75 dyne/cm.
Answer» ANSWER :45N