Newton's Law of Gravitation Quiz
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Questions and Answers

Which of the following factors does NOT affect the value of acceleration due to gravity?

  • Size of the body
  • Shape of the body (correct)
  • Mass of the body
  • Radius of the Earth

    • What is the acceleration produced in a body due to the force of gravity called?

  • Force due to gravity
  • Acceleration due to gravity (correct)
  • Inertia due to gravity
  • Velocity due to gravity

    • What is the term used for the amount of work done to bring a body from a point in space to another point?

  • Gravitational potential (correct)
  • Potential difference
  • Gravitational field
  • Gravitational potential energy

    • Which term refers to an object orbiting around the sun, earth, or any celestial body?

    <p>Satellite</p> Signup and view all the answers

    Which term defines the force of attraction exerted by Earth on a body near its surface?

    <p>Gravitational force</p> Signup and view all the answers

    What is the minimum velocity required for a satellite to be placed or maintained in orbit called?

    <p>Orbital speed</p> Signup and view all the answers

    What is the natural phenomenon by which material objects attract one another?

    <p>Gravitational force</p> Signup and view all the answers

    According to Newton's law of gravitation, the gravitational force between two bodies is directly proportional to __________.

    <p>The product of their masses</p> Signup and view all the answers

    What is the value of the universal gravitational constant G in CGS system?

    <p>$6.67 \times 10^{-8} dynecm^2 g^{-2}$</p> Signup and view all the answers

    Which scientist determined the value of the universal gravitational constant experimentally in 1798?

    <p>Henry Cavendish</p> Signup and view all the answers

    What is the directional nature of the gravitational force according to Newton's law of gravitation?

    <p>Along the line joining the two bodies</p> Signup and view all the answers

    What is the relationship between the masses of two bodies and the gravitational force acting between them?

    <p>Directly proportional to the product of their masses</p> Signup and view all the answers

    What is the relationship between the weight of a body and the acceleration due to gravity?

    <p>Weight = mass × acceleration due to gravity</p> Signup and view all the answers

    Which statement is true about the altitude effects on gravity?

    <p>Gravity decreases with increasing altitude</p> Signup and view all the answers

    What is the concept of geostationary satellites related to?

    <p>Gravitational force</p> Signup and view all the answers

    What is the term for the minimum speed an object must reach in order to escape the gravitational pull of a celestial body?

    <p>Escape speed</p> Signup and view all the answers

    Which characteristic does NOT apply to gravitational force?

    <p>It follows the inverse cube law</p> Signup and view all the answers

    According to the principle of superposition of gravitation, what does it state about the resultant gravitational force acting on a particle?

    <p>It is equal to the vector sum of gravitational forces exerted by individual particles</p> Signup and view all the answers

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