Calculate the force in excess of its weight required to move away a flat circular plate of radius 5 cm from the surface of water. (Surface tension of water is 70 dyne cm^(-1))

Calculate the force in excess of its weight required to move away a fl

1.	Calculate the force in excess of its weight required to move away a flat circular plate of radius 5 cm from the surface of water. (Surface tension of water is 70 dyne cm^(-1))
Answer» ANSWER :2200 DYNE