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Newton's Observation of Gravitational Force

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Newton's Observation of Gravitational Force

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Questions and Answers

What led Newton to develop his law of gravitation?

Observing the motion of the planets

Chance observation of an apple falling from a tree (correct)

Studying the behavior of falling objects

Experiments with masses and distances in the laboratory

According to Newton's law of gravitation, how does the gravitational force depend on the masses of the two objects?

Gravitational force is inversely proportional to the product of the masses

Gravitational force is directly proportional to the product of the masses (correct)

Gravitational force is independent of the masses of the objects

Gravitational force is proportional to the sum of the masses

How does the gravitational force depend on the distance between the two objects, according to Newton's law of gravitation?

Gravitational force is proportional to the square of the distance between the objects (correct)

Gravitational force is independent of the distance between the objects

Gravitational force is directly proportional to the distance between the objects

Gravitational force is inversely proportional to the distance between the objects

What is another name for Newton's law of gravitation?

Newton's law of universal gravitation Signup and view all the answers

What is the nature of the gravitational force according to Newton?

The gravitational force is always attractive in nature Signup and view all the answers

What was the chance observation that led Newton to ponder upon the force that attracts everything towards the Earth's surface?

Observing an apple fall from a tree Signup and view all the answers

What is the relationship between the gravitational force and the distance between the two objects, according to Newton's law of gravitation?

The gravitational force is proportional to the square of the distance between the objects Signup and view all the answers

According to Newton's Law of Gravitation, how does the gravitational force between two bodies change with the distance between them?

Inversely proportional to the distance Signup and view all the answers

Who first determined the value of the universal gravitational constant?

Henry Cavendish Signup and view all the answers

Why do celestial bodies like planets revolve around the Sun in our solar system?

Balancing of gravitational pull and centrifugal force Signup and view all the answers

Which natural phenomena is NOT a result of gravitational forces?

The Earth rotating on its axis Signup and view all the answers

What is the direction of the gravitational forces between two bodies as per Newton's Law of Gravitation?

Equal in magnitude but opposite in direction Signup and view all the answers

If two bodies are placed twice as far apart from each other, how does the gravitational force between them change?

It quarters Signup and view all the answers

In which way does the mass of a celestial body affect the gravitational force it exerts on another body?

Higher mass increases the gravitational force Signup and view all the answers

In what form can Newton's Law of Gravitation be written for calculating the gravitational forces between two bodies?

F = GmM/r^2 Signup and view all the answers