Gravity Quiz
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Questions and Answers

What is the weakest fundamental interaction?

  • Weak interaction
  • Gravity (correct)
  • Strong interaction
  • Electromagnetic force

    • At what scale is gravity the most significant interaction?

  • Macroscopic scale (correct)
  • Molecular scale
  • Atomic scale
  • Subatomic scale

    • What does gravity give to physical objects on Earth?

  • Volume
  • Density
  • Weight (correct)
  • Mass

    • What biological function does gravity have?

    <p>Guiding plant growth through gravitropism</p> Signup and view all the answers

    What did the gravitational attraction between gaseous matter in the universe cause?

    <p>Creation of stars</p> Signup and view all the answers

    What is the definition of relative direction between two points?

    <p>The relative direction between two points is their relative position normalized as a unit vector.</p> Signup and view all the answers

    What is the denominator in the equation for relative direction?

    <p>The distance between the two points, $|\Delta \mathbf {r} |$</p> Signup and view all the answers

    What type of vector is a relative direction?

    <p>A bound vector</p> Signup and view all the answers

    In three dimensions, what can be used to define the location of a point in space?

    <p>Any set of three-dimensional coordinates and their corresponding basis vectors</p> Signup and view all the answers

    What is commonly used to define the location of a point in space?

    <p>The familiar Cartesian coordinate system</p> Signup and view all the answers

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