Why does a swimmer float and a non swimmer drown when are still
When a person is swimming, their body is less dense than water. This means that the buoyant force of the water is greater than the weight of the person, causing them to float. A non-swimmer, on the other hand, has a body that is more dense than water. This means that the buoyant force of the water is less than the weight of the person, causing them to sink.
There are a number of factors that can affect a person's buoyancy, including:
- Body fat: Adipose tissue is less dense than water, so people with more body fat tend to float more easily.
- Muscle mass: Muscle tissue is more dense than water, so people with more muscle mass tend to sink more easily.
- Lung capacity: When a person inhales, their lungs fill with air, which is less dense than water. This helps to increase their buoyancy.
- Water temperature: Cold water is denser than warm water, so people tend to float more easily in cold water.
It is important to note that even a good swimmer can drown if they become too exhausted or if they swim in water that is too cold.
Related Questions
- Why do people float in saltwater more easily than in freshwater? Saltwater is denser than freshwater, so it provides more buoyant force.
- Why do people with large chests float more easily than people with small chests? A larger chest means that a person has more air in their lungs, which increases their buoyancy.
- Why do people with weak legs sink more easily than people with strong legs? Strong legs help to keep a person's body upright in the water, while weak legs can cause a person to tilt forward and sink.
- Why do people who are unconscious sink more easily than people who are conscious? When a person is unconscious, their lungs do not fill with air as deeply, which reduces their buoyancy.
- Why do people who are wearing heavy clothing sink more easily than people who are wearing light clothing? Heavy clothing absorbs water, which increases its weight and reduces its buoyancy.
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