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Isaac Newton and the Law of Gravitation Quiz

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Isaac Newton and the Law of Gravitation Quiz

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Questions and Answers

What led Newton to develop his law of gravitation?

Observing an apple fall from a tree (correct)

Reading about previous scientific theories

Studying the movement of planets

Conducting experiments with different objects

What did Newton propose about the gravitational force?

It is directly proportional to the product of the masses of the bodies and inversely proportional to the square of the distance between the bodies (correct)

It is directly proportional to the sum of the masses of the bodies and inversely proportional to the cube of the distance between the bodies

It is directly proportional to the square of the distance between the bodies and inversely proportional to the product of the masses of the bodies

It is directly proportional to the cube of the distance between the bodies and inversely proportional to the sum of the masses of the bodies

What did Newton's law of universal gravitation extend to?

Objects on Earth's surface

All bodies that have some mass (correct)

Only celestial bodies

Objects in motion

What is the relationship between the gravitational force and the masses of the bodies according to Newton's law of gravitation?

Directly proportional Signup and view all the answers

How does the gravitational force change with the distance between the bodies according to Newton's law of gravitation?

Inversely proportional to the square of the distance Signup and view all the answers

What is the nature of the gravitational force according to Newton's proposal?

Only attractive Signup and view all the answers

What is the application of Newton's law of gravitation?

Universal Signup and view all the answers

What is the formula for the magnitude of the gravitational force exerted by a body of mass on another body of mass?

$F = G\frac{m_1m_2}{r^2}$ Signup and view all the answers

What did Henry Cavendish determine in the 18th century?

The value of the universal gravitational constant Signup and view all the answers

In the gravitational force formula $F = G\frac{m_1m_2}{r^2}$, what does $r$ represent?

Distance between the centers of the two bodies Signup and view all the answers

What type of law is Newton's law of gravitation?

Inverse square law Signup and view all the answers

In the context of gravitational forces, what does the vector form of the force expression indicate?

The specific direction of the gravitational force Signup and view all the answers

What balances the gravitational pull of the Earth on the moon in the context of the moon's orbital motion?

The outward force of the moon due to its revolution around the Earth Signup and view all the answers

What is the force that causes the solar system planets, including Earth, to revolve around the Sun?

The Sun's gravitational pull Signup and view all the answers

What increases as the mass of celestial bodies increases and decreases as their distance to the revolving body increases?

The gravitational force exerted by the celestial bodies Signup and view all the answers