15 Questions
What led Newton to develop his law of gravitation?
Observing an apple fall from a tree
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
What did Newton's law of universal gravitation extend to?
All bodies that have some mass
What is the relationship between the gravitational force and the masses of the bodies according to Newton's law of gravitation?
Directly proportional
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
What is the nature of the gravitational force according to Newton's proposal?
Only attractive
What is the application of Newton's law of gravitation?
Universal
What is the formula for the magnitude of the gravitational force exerted by a body of mass on another body of mass?
$F = G\frac{m_1m_2}{r^2}$
What did Henry Cavendish determine in the 18th century?
The value of the universal gravitational constant
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
What type of law is Newton's law of gravitation?
Inverse square law
In the context of gravitational forces, what does the vector form of the force expression indicate?
The specific direction of the gravitational force
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
What is the force that causes the solar system planets, including Earth, to revolve around the Sun?
The Sun's gravitational pull
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
Test your knowledge of Isaac Newton's observation of the falling apple and his explanation of the gravitational force in this quiz. Explore the scientific insights behind Newton's law of gravitation and its impact on our understanding of the universe.
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