Question
Which of the following natural phenomena CANNOT be explained by the Universal Law of Gravitation?
The correct answer is
Attraction between magnets
Gravitation vs. Other Forces
The Universal Law of Gravitation, formulated by Isaac Newton, describes the attractive force between any two objects possessing mass.
- It explains the revolution of the Moon around the Earth due to the gravitational pull between them.
- It explains why an apple falls from a tree, as the Earth's gravity pulls the apple towards it.
- It explains phenomena like tides in the ocean, which are caused by the gravitational forces exerted by the Moon and the Sun on Earth's oceans.
Phenomena Not Explained by Gravitation
However, the Universal Law of Gravitation does not explain forces arising from other fundamental interactions.
- The attraction between magnets is a result of electromagnetic forces, specifically related to the magnetic properties of materials and moving electric charges, not mass. This phenomenon is governed by the laws of electromagnetism, not gravitation.
Therefore, the attraction between magnets cannot be explained by the Universal Law of Gravitation.
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Important Questions from Universal law of gravitation
Which of the following is NOT correct ?
Three point masses each of mass m are placed at the three corners of an equilateral triangle of side x. Find the resultant force acting on any one particle at the corner.
Which of the following is NOT correct ?
- Which phenomenon, successfully explained by the universal law of gravitation, relies on the combined and differential gravitational attraction exerted by both the moon and the sun on the earth?
- The law of gravitation helped to prove that:
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