Concept explainers
The reason to get less hurt by stone on beach in the deep water.
Answer to Problem 7TE
The feet feel less hurt in deep water due to the buoyancy of water on the human body.
Explanation of Solution
The buoyant force acts on the submerged body when the body is in the water and it is equal to the weight of the object. The buoyant force is responsible for the floating of an object.
The pressure exerted by the feet on the stones reduces due to the buoyant force of the water. The buoyant force becomes more in the deep water and it prevents the feet to hit hard on the stones in the water. In deep water, the weight of the body seems less than actual because of buoyant force.
Conclusion:
Therefore, the feet feel less hurt in bathing on a stony beach due to the buoyancy of water on the human body.
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