Why is it easy to swim in sea than in a river?
We know sea water is salty. But river water is fresh water.. It is believed that river water is not salty . Sea water eventhough it has river water , when the river flows long distance to reach sea, the water becomes rich in dissolved salts.
Because of these soluble salts , sea water is having more density than river water. The salt is responsible for the increased density. This density increases the upthrust which helps the body to float in the sea water. Our body sinks less in sea water than in a river.
Hence we find it easy to swim in sea than in a river.
We know sea water is salty. But river water is fresh water.. It is believed that river water is not salty . Sea water eventhough it has river water , when the river flows long distance to reach sea, the water becomes rich in dissolved salts.
Because of these soluble salts , sea water is having more density than river water. The salt is responsible for the increased density. This density increases the upthrust which helps the body to float in the sea water. Our body sinks less in sea water than in a river.
Hence we find it easy to swim in sea than in a river.
No comments:
Post a Comment