GRAVITATION ONE SHOT PHYISCS | Class 11 Physics NCERT Explanation with Ashu Sir Science and Fun
Science and Fun Education・2 minutes read
Gravitational force, laws, equations, and calculations are discussed, emphasizing the importance of understanding gravity and its impact on objects. The text also covers Kepler's laws, escape velocity, satellite velocity, and geostationary satellites, providing insights into related concepts and formulas.
Insights
- Gravitational force is the fundamental attraction between objects, directly linked to their masses and inversely related to the distance squared. Understanding this force is crucial for explaining phenomena like free fall and maintaining objects on Earth.
- Kepler's Laws of Planetary Motions, introduced in the 16th century, detail how planets orbit the Sun in elliptical paths, covering equal areas in equal time intervals, and showcasing a relationship between a planet's time period and its distance from the Sun. These laws are essential in comprehending celestial motions and satellite dynamics.
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Recent questions
What is the force of attraction between objects?
Gravity is the force of attraction between any two objects in the universe.
What is the formula for gravitational force?
The formula for gravitational force is F = G * (m1 * m2) / r^2, where G is the Universal Gravitational Constant.
What is acceleration due to gravity?
Acceleration due to gravity is the rate at which an object falls under Earth's gravitational force, with a value of 9.8 m/s^2 on Earth's surface.
What are Kepler's laws of planetary motion?
Kepler's laws describe how planets orbit the Sun in elliptical paths, covering equal areas in equal time intervals, and showcasing a direct relationship between a planet's time period and its distance from the Sun.
What is escape velocity?
Escape velocity is the minimum velocity required for an object to escape Earth's gravitational force, calculated to be 11.2 kilometers per second at the surface of Earth.
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