Universal Law of Gravitation Quiz for Class 9 Students

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Questions and Answers

What is the universal law of gravitation?

  • Every object in the universe attracts every other object with a force (correct)
  • The force of gravity depends on the color of the objects
  • Objects with more mass do not exert a greater gravitational force
  • The force of gravity is only applicable to objects on Earth

What happens to the force of gravity between two objects when the distance between them is doubled?

  • It becomes one-fourth of the original force (correct)
  • It becomes twice the original force
  • It becomes half of the original force
  • It remains the same

What is the SI unit of the gravitational constant (G) in the universal law of gravitation?

  • Joule
  • m/s
  • N m^2/kg^2 (correct)
  • kg m/s^2

What is the universal law of gravitation?

<p>Gravitational force is directly proportional to the product of the masses and inversely proportional to the square of the distance between their centers. (A)</p> Signup and view all the answers

What is the SI unit of gravitational constant?

<p>N·m²/kg² (C)</p> Signup and view all the answers

What happens to the gravitational force between two objects when the distance between them is doubled?

<p>The gravitational force becomes one-fourth of the original force. (D)</p> Signup and view all the answers

Flashcards

Universal Law of Gravitation

Every object in the universe attracts every other object with a force. Its strength depends on their masses and distance.

Double the Distance, Gravity Reduces

The force of gravity between two objects becomes one-fourth of the original force.

What is the Universal Law of Gravitation?

The force of gravity is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

What is the SI unit of the gravitational constant (G)?

It is measured in Newtons, meters squared, and kilograms squared.

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What is the Gravitational Constant (G)?

The gravitational constant (G) is a fundamental constant in physics that determines the strength of gravitational force.

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What is the SI unit of the gravitational constant?

N·m²/kg²

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