Asked by Ahmed

An iron weight is 200lb in air how much force is required when it is emerged in water to support an anchor
Iron= 480 lb/ft cube
Sea water=64lb/ft cube?
Answered by Ahmed
what is the answer
Answered by bobpursley
density= mass/volume or volume=mass/density
for iron, volume= 200lb/480lb/ft^3=.417 ft^3
weight submerged=200lb - weight of .417ft^3 seawater
and weight of seawater= 64*.417 lb