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A balloon lifting in air follows the following principle
- a)law of gravitation
- b)Archimedes principle
- c)principle of buoyance
- d)all of the above
- e)continuity equation
Correct answer is option 'D'. Can you explain this answer?
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A balloon lifting in air follows the following principlea)law of gravi...
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A balloon lifting in air follows the following principlea)law of gravi...
Explanation:
Archimedes' principle states that any object, wholly or partially immersed in a fluid, experiences an upward buoyant force equal to the weight of the fluid displaced by the object. This principle explains why objects float or sink in a fluid.
When a balloon is filled with gas, it becomes less dense than the surrounding air. This means that the balloon displaces a volume of air that is greater than its own weight. According to Archimedes' principle, the buoyant force acting on the balloon is equal to the weight of the air it displaces.
The buoyant force exerted on the balloon is greater than the downward force of gravity acting on the balloon. This causes the balloon to float in the air.
The law of gravitation, on the other hand, states that any two objects with mass are attracted to each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
In the case of a balloon lifting in air, the force of gravity is acting on the balloon, trying to pull it downward. However, the buoyant force acting in the opposite direction is greater than the force of gravity, resulting in a net upward force on the balloon.
Therefore, both Archimedes' principle and the law of gravitation are applicable in explaining the phenomenon of a balloon lifting in air.
In conclusion, the correct answer is option 'D' - all of the above, as both Archimedes' principle and the law of gravitation play a role in the lifting of a balloon in air.
Archimedes' principle states that any object, wholly or partially immersed in a fluid, experiences an upward buoyant force equal to the weight of the fluid displaced by the object. This principle explains why objects float or sink in a fluid.
When a balloon is filled with gas, it becomes less dense than the surrounding air. This means that the balloon displaces a volume of air that is greater than its own weight. According to Archimedes' principle, the buoyant force acting on the balloon is equal to the weight of the air it displaces.
The buoyant force exerted on the balloon is greater than the downward force of gravity acting on the balloon. This causes the balloon to float in the air.
The law of gravitation, on the other hand, states that any two objects with mass are attracted to each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
In the case of a balloon lifting in air, the force of gravity is acting on the balloon, trying to pull it downward. However, the buoyant force acting in the opposite direction is greater than the force of gravity, resulting in a net upward force on the balloon.
Therefore, both Archimedes' principle and the law of gravitation are applicable in explaining the phenomenon of a balloon lifting in air.
In conclusion, the correct answer is option 'D' - all of the above, as both Archimedes' principle and the law of gravitation play a role in the lifting of a balloon in air.
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A balloon lifting in air follows the following principlea)law of gravitationb)Archimedes principlec)principle of buoyanced)all of the abovee)continuity equationCorrect answer is option 'D'. Can you explain this answer?
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