Gravitational Fields
11th - 12th grade
150 times
Physics
72%average accuracy
3 years ago
robertsonc
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q. The definition of gravitational field strength is:
    answer choices
    The region of space surrounding a body where other bodies will feel an attractive force due to it.
    The region of space surrounding a body where other bodies will feel an repulsive force due to it.
    The region of space surrounding a charge where other charges will feel an attractive force due to it.
    The region of space surrounding a charge where other charges will feel an repulsive force due to it.
  • Question 2
    30 seconds
    Q. The closer together the gravitational field lines.....
    answer choices
    the weaker the gravitational field strength
    the stronger the gravitational field strength
    the more repulsive the gravitational field strength
  • Question 3
    30 seconds
    Q. How far out from a mass should the gravitational field lines go....
    answer choices
    to where the gravitational field becomes negligable
    to twice the diameter of the mass
    infinitely far
    to four times the diameter of the mass
  • Question 4
    30 seconds
    Q. In this equation...
    answer choices
    G is the gravitational field strength
    r is the distance between the 2 masses
    F is the repulsive gravitational force
    m is the momentum of the mass
  • Question 5
    30 seconds
    Q. The gravitational field strength of Earth is...
    answer choices
    uniform far away from the surface and radial close to the surface
    uniform close to the surface and radial far away from the surface
  • Question 6
    30 seconds
    Q. Kepler's third law states that....
    answer choices
    An imaginary line drawn from the center of the sun to the center of the planet will sweep out equal areas in equal intervals of time. (The Law of Equal Areas)
    The path of the planets about the sun is elliptical in shape, with the center of the sun being located at one focus. (The Law of Ellipses)
    The ratio of the squares of the periods of any two planets is equal to the ratio of the cubes of their average distances from the sun. (The Law of Harmonies)
  • Question 7
    30 seconds
    Q. A geostationary satellite orbits the Earth....
    answer choices
    once every 24 hours
    once every 10-11 hours
    once every week
    once every 4 weeks
  • Question 8
    30 seconds
    Q. Gravitational potential at a point is....
    answer choices
    the work done in bringing a unit mass from infinity to the point
    the work done in bringing a unit mass from the point to infinity
    the work done in bringing a unit charge from infinity to the point
    the work done in bringing a unit mass from twice the radius of the mass to the point
  • Question 9
    30 seconds
    Q. The area under a Force-distance graph is....
    answer choices
    the energy lost by the mass
    the work done on a mass
    the charge on a mass
    the potential difference of a mass
  • Question 10
    30 seconds
    Q. The minimum velocity required to leave the atmosphere is called the...
    answer choices
    orbital velocity
    ejection velocity
    terminal velocity
    escape velocity
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