A thin metal disc of radius r floats on water surface and

Last updated: 6/27/2023

A thin metal disc of radius r floats on water surface and bends the surface downwards along the perimeter making a angle with vertical edge of the disc If the disc displaces a weight of water W and surface tension of water is T the the weight of metal disc is 1 2 rT W 2 2 rT cose W 3 2x rT cose W 4 W 2n rT cose