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Mindmap: Gravitation | Science Class 9

The document Mindmap: Gravitation | Science Class 9 is a part of the Class 9 Course Science Class 9.
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FAQs on Mindmap: Gravitation - Science Class 9

1. What is gravitation?
Ans. Gravitation is a natural phenomenon that refers to the force of attraction between two objects with mass. It is responsible for keeping planets in orbit around the sun and objects on Earth's surface.
2. How does gravitation affect objects on Earth?
Ans. Gravitation affects objects on Earth by pulling them towards the center of the planet. This force, commonly known as gravity, gives weight to objects and is responsible for keeping them grounded.
3. What is the gravitational constant?
Ans. The gravitational constant, denoted by G, is a fundamental constant in physics that determines the strength of the gravitational force. It is approximately equal to 6.67430 × 10^-11 N(m/kg)^2.
4. How does distance affect the force of gravitation?
Ans. The force of gravitation decreases as the distance between two objects increases. According to Newton's law of universal gravitation, the force is inversely proportional to the square of the distance between the objects.
5. How does mass affect the force of gravitation?
Ans. The force of gravitation increases with the mass of the objects involved. According to Newton's law of universal gravitation, the force is directly proportional to the product of the masses of the objects. Therefore, the greater the mass, the stronger the gravitational force.
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