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The Universal Law of Gravitation - 1 Video Lecture | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
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FAQs on The Universal Law of Gravitation - 1 Video Lecture - SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
| 1. What is the Universal Law of Gravitation? |  |
Ans. The Universal Law of Gravitation is a scientific principle formulated by Sir Isaac Newton that describes the force of gravity between two objects. According to this law, every particle of matter in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
| 2. How does the Universal Law of Gravitation affect the motion of celestial bodies? | |
Ans. The Universal Law of Gravitation plays a crucial role in determining the motion of celestial bodies such as planets, moons, and satellites. It explains how these objects orbit around each other and around larger celestial bodies like stars. The gravitational force between these bodies keeps them in their respective orbits and governs their motions.
| 3. Can the Universal Law of Gravitation be applied to objects on Earth? | |
Ans. Yes, the Universal Law of Gravitation can be applied to objects on Earth as well. Although the force of gravity on Earth is primarily influenced by the mass and distance of the Earth itself, it also affects objects on its surface. This is why objects fall towards the ground when released from a height. The law can be used to calculate the gravitational force acting on these objects.
| 4. How does the Universal Law of Gravitation explain the tides in the oceans? | |
Ans. The Universal Law of Gravitation explains the phenomenon of tides in the oceans. The gravitational force exerted by the Moon and, to a lesser extent, the Sun, causes the water in the oceans to bulge out towards the direction of the gravitational pull. This results in the high tide. As the Earth rotates, different parts of the planet experience these bulges, leading to the occurrence of low tides as well.
| 5. What are some real-life applications of the Universal Law of Gravitation? | |
Ans. The Universal Law of Gravitation has numerous practical applications in various fields. Some examples include:
- Calculating the trajectories and orbits of satellites and spacecraft.
- Understanding the motion of planets and predicting celestial events.
- Determining the weight of objects and their behavior under the force of gravity.
- Studying the behavior of tides and their impact on coastal areas.
- Explaining the concept of gravitational potential energy and its applications in engineering and physics.
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Jan 05, 2025
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