Gravitation: Newton's Universal Law
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Questions and Answers

What is the formula for the force of attraction between two point masses?

  • F = Gm1m2 / r^2 (correct)
  • F = Gm1m2 * r^2
  • F = Gm1m2 - r^2
  • F = Gm1m2 + r^2

    • In which region is the acceleration due to gravity 'g' equal to 'gS'?

  • Inside a region closer to the center of the Earth
  • At a height greater than the radius of the Earth
  • Inside a solid sphere
  • On the surface of a spherical shell (correct)

    • What is the gravitational potential inside a solid sphere?

  • V = GM(R+h)^2
  • V = GM / r
  • V = 0 (correct)
  • V = GM(3R^2 - r^2)

    • How does the direction of the gravitational potential always point inside a spherical shell?

    <p>Radially inwards</p> Signup and view all the answers

    What happens to mechanical energy in a conservative force like gravity?

    <p>It remains constant</p> Signup and view all the answers

    What is the formula for the gravitational field due to a solid sphere at a distance 'r' from its center?

    <p>|Eg| = GM / r^2</p> Signup and view all the answers

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