Master the Basics: Newtonian Constant of Gravitation Quiz

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  • 1/15 Questions

    The acceleration due to gravity on Earth is approximately:

    • 9.8 m/s^2
    • 10 m/s^2
    • 11 m/s^2
    • 12 m/s^2
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About This Quiz

Welcome to our Newtonian Constant of Gravitation Quiz! This quiz delves into the fundamental principles of gravity, focusing on Newton's Law of Universal Gravitation and the role of the gravitational constant. Test your understanding of how mass, distance, and gravitational force are interconnected in the cosmos. Explore questions about the symbol and SI unit, its numerical value, and its applications in various fields such as astronomy, physics, and engineering.

Challenge yourself with scenarios that illustrate the inverse square law and its implications for gravitational interactions. Discover the historical significance of experiments like the Cavendish experiment in confirming Newton's groundbreaking insights into gravity. The quiz is designed to test your basics on the topic.

Our Newtonian Constant of Gravitation Quiz offers an engaging opportunity to deepen your knowledge and appreciation of one of the fundamental forces shaping our world. Are you ready for the challenge?

Master The Basics: Newtonian Constant Of Gravitation Quiz - Quiz

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  • 2. 

    What is the symbol for the Newtonian constant of gravitation?

    • G

    • K

    • M

    • F

    Correct Answer
    A. G
    Explanation
    The symbol for the Newtonian constant of gravitation is G. In physics, symbols are used to represent physical quantities, and G represents the gravitational constant. This constant is a fundamental part of Newton's Law of Universal Gravitation, describing the strength of the gravitational force between two objects.

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  • 3. 

    Which scientist first formulated the Law of Universal Gravitation?

    • Isaac Newton

    • Galileo Galilei

    • Johannes Kepler

    • Albert Einstein

    Correct Answer
    A. Isaac Newton
    Explanation
    The scientist who first formulated the Law of Universal Gravitation is Isaac Newton. Newton, a pioneering physicist and mathematician, introduced this groundbreaking law in his work "Philosophiæ Naturalis Principia Mathematica" in 1687, revolutionizing our understanding of gravity.

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  • 4. 

    Modern technology relies on the accurate measurement of the Newtonian constant of gravitation for applications such as:

    • Satellite orbits

    • Gravitational wave detection

    • GPS navigation

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Modern technology relies on the accurate measurement of the Newtonian constant of gravitation for applications such as satellite orbits, gravitational wave detection, and GPS navigation. Precise knowledge of G is essential for calculating orbits, predicting gravitational wave characteristics, and ensuring the accuracy of global positioning systems, showcasing the practical importance of this constant in contemporary technology.

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  • 5. 

    Which of the following factors does NOT affect the gravitational force between two objects?

    • Their composition

    • Their distance

    • Their masses

    • The presence of other objects

    Correct Answer
    A. Their composition
    Explanation
    The following factor does NOT affect the gravitational force between two objects: their composition. According to the Law of Universal Gravitation, the nature or composition of the objects involved does not influence the gravitational force between them. Gravity acts universally on all objects regardless of their composition.

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  • 6. 

    What are some current research areas related to the Newtonian constant of gravitation?

    • Testing its universality in different environments

    • Searching for deviations from its predicted value

    • Developing more precise measurement techniques

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Some current research areas related to the Newtonian constant of gravitation include testing its universality in different environments, searching for deviations from its predicted value, and developing more precise measurement techniques. Ongoing scientific investigations aim to explore the constancy of G in diverse conditions, identify potential variations, and enhance measurement techniques to refine our understanding of gravity at both macroscopic and microscopic scales.

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  • 7. 

    What experiment provided evidence for the Law of Universal Gravitation?

    • Cavendish experiment

    • Michelson-Morley experiment

    • Double-slit experiment

    • Millikan oil drop experiment

    Correct Answer
    A. Cavendish experiment
    Explanation
    The Cavendish experiment provided evidence for the Law of Universal Gravitation. This landmark experiment, conducted by Henry Cavendish in 1797–1798, involved measuring the small gravitational attraction between lead spheres, confirming the predictions of Newton's law and providing crucial experimental validation.

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  • 8. 

    The SI unit for the Newtonian constant of gravitation is:

    • Meters squared per kilogram squared

    • Newtons squared per meter squared

    • Kilograms squared per meter cubed

    • Newtons meters squared per kilogram squared

    Correct Answer
    A. Newtons meters squared per kilogram squared
    Explanation
    The SI unit for the Newtonian constant of gravitation is newtons meters squared per kilogram squared. This complex unit reflects the dimensions of the gravitational constant G, highlighting its role in determining the force of gravity between masses when expressed in the SI unit system.

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  • 9. 

    The value of the Newtonian constant of gravitation is approximately:

    • 6.6743 x 10^-10 m^3/kg^2

    • 6.6743 x 10^-11 m^3/kg^2

    • 6.6743 x 10^-12 m^3/kg^2

    • 6.6743 x 10^-13 m^3/kg^2

    Correct Answer
    A. 6.6743 x 10^-11 m^3/kg^2
    Explanation
    The value of the Newtonian constant of gravitation is approximately 6.6743 x 10^-11 m^3/kg^2. This numerical value quantifies the strength of the gravitational force and is crucial in various scientific calculations, ranging from celestial mechanics to understanding the interactions between everyday objects.

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  • 10. 

    The gravitational force between two objects is inversely proportional to:

    • The product of their radii

    • The sum of their radii

    • The square of the distance between their centers

    • The cube of the distance between their centers

    Correct Answer
    A. The square of the distance between their centers
    Explanation
    The gravitational force between two objects is inversely proportional to the square of the distance between their centers. This inverse square law signifies that as the distance between two masses increases, the gravitational force weakens proportionally to the square of that distance, providing insights into the nature of gravitational interactions.

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  • 11. 

    What is the gravitational force between a mass of 1 kg and a mass of 2 kg separated by a distance of 1 meter?

    • 1.33486×10 ^ −10 N

    • 6.6743 x 10^-11 N

    • 19.6 N

    • 6.6743 x 10^-7 N

    Correct Answer
    A. 1.33486×10 ^ −10 N
  • 12. 

    What is the escape velocity from the surface of Earth?

    • 11.2 km/s

    • 7.9 km/s

    • 9.8 km/s

    • 4.9 km/s

    Correct Answer
    A. 11.2 km/s
    Explanation
    The escape velocity from the surface of Earth is 11.2 km/s. This speed is required for an object to overcome Earth's gravitational pull and enter space without falling back. Escape velocity is determined by the mass of the celestial body and its radius, emphasizing the role of gravity in space exploration.

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  • 13. 

    According to Newton's Law of Universal Gravitation, the gravitational force between two objects is directly proportional to:

    • The product of their masses

    • The sum of their masses

    • The difference of their masses

    • The square of their masses

    Correct Answer
    A. The product of their masses
    Explanation
    According to Newton's Law of Universal Gravitation, the gravitational force between two objects is directly proportional to the product of their masses. This fundamental principle states that the force of gravity is influenced by the masses of the interacting objects, with a higher mass leading to a stronger gravitational attraction.

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  • 14. 

    What is the main limitation of using the Newtonian constant of gravitation for astronomical calculations?

    • It does not account for the effects of general relativity.

    • It assumes objects are point masses.

    • It does not consider the effects of dark matter.

    • All of the above

    Correct Answer
    A. It does not account for the effects of general relativity.
    Explanation
    The main limitation of using the Newtonian constant of gravitation for astronomical calculations is that it does not account for the effects of general relativity. While Newton's Law of Universal Gravitation is highly accurate in many scenarios, it does not address the relativistic effects that become significant in extreme conditions, such as those near massive celestial bodies or at high velocities.

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  • 15. 

    If the distance between two objects doubles, the gravitational force between them:

    • Decreases by a factor of 2

    • Decreases by a factor of 4

    • Increases by a factor of 2

    • Increases by a factor of 4

    Correct Answer
    A. Decreases by a factor of 4

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  • Current Version
  • Feb 08, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 06, 2024
    Quiz Created by
    Surajit Dey

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