Flashcards: Gravitation Video Lecture

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Flashcards: Gravitation

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FAQs on Flashcards: Gravitation Video Lecture - Science Class 9

1. How does the force of gravity affect objects on Earth?

Ans. The force of gravity is what keeps objects on Earth grounded and causes them to fall when dropped. It is responsible for the weight of objects and is what keeps planets in orbit around the sun.

2. What is the formula for calculating the force of gravity between two objects?

Ans. The formula for calculating the force of gravity between two objects is F = G * (m1 * m2) / r^2, where F is the force of gravity, G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between the centers of the two objects.

3. How does the force of gravity change with distance?

Ans. The force of gravity between two objects decreases as the distance between them increases. This relationship is described by the inverse square law, which states that the force of gravity is inversely proportional to the square of the distance between the objects.

4. What is the difference between mass and weight in the context of gravity?

Ans. Mass is a measure of the amount of matter in an object, while weight is a measure of the force of gravity acting on an object. The mass of an object remains constant regardless of its location, while weight can vary depending on the strength of the gravitational field.

5. How does the force of gravity vary on different planets?

Ans. The force of gravity on a planet is determined by its mass and radius. Planets with larger masses and smaller radii will have stronger gravitational forces, while planets with smaller masses and larger radii will have weaker gravitational forces. This results in differences in weight and the ability to hold objects on different planets.

Document Description: Flashcards: Gravitation for Class 9 2024 is part of Science Class 9 preparation. The notes and questions for Flashcards: Gravitation have been prepared according to the Class 9 exam syllabus. Information about Flashcards: Gravitation covers topics like and Flashcards: Gravitation Example, for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Flashcards: Gravitation.

Introduction of Flashcards: Gravitation in English is available as part of our Science Class 9 for Class 9 & Flashcards: Gravitation in Hindi for Science Class 9 course. Download more important topics related with notes, lectures and mock test series for Class 9 Exam by signing up for free. Class 9: Flashcards: Gravitation Video Lecture | Science Class 9

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