Which of the following statements are true about gravitational force? Identify all that apply. The gravitational force only acts between very, very massive objects. The gravitational force between an object and the earth is inversely related to the distance between the object's and the earth's center. The gravitational force can ALWAYS be accurately calculated by multiplying the object mass by the acceleration of gravity (m•g). The gravitational force acting upon an object is the same as the weight of the object. The gravitational force between two objects is independent of the mass of the smaller of the two objects. If object A gravitationally attracts object B with a force of X Newtons, then object B will also gravitationally attract object A with the same force of X Newtons. The doubling of the separation distance (measured from the center) between two objects will halve the gravitational force between the objects. It an object is placed two earth-radii above the surface of the earth, then the force of gravitational attraction between the object and the earth will be one-fourth the magnitude as on earth's surface. Orbiting astronauts do not experience a force of gravity; this explains why they feel weightless.

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Chapter1: Units, Trigonometry. And Vectors
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Which of the following statements are true about gravitational force? Identify all that apply.

  1. The gravitational force only acts between very, very massive objects.
  2. The gravitational force between an object and the earth is inversely related to the distance between the object's and the earth's center.
  3. The gravitational force can ALWAYS be accurately calculated by multiplying the object mass by the acceleration of gravity (m•g).
  4. The gravitational force acting upon an object is the same as the weight of the object.
  5. The gravitational force between two objects is independent of the mass of the smaller of the two objects.
  6. If object A gravitationally attracts object B with a force of X Newtons, then object B will also gravitationally attract object A with the same force of X Newtons.
  7. The doubling of the separation distance (measured from the center) between two objects will halve the gravitational force between the objects.
  8. It an object is placed two earth-radii above the surface of the earth, then the force of gravitational attraction between the object and the earth will be one-fourth the magnitude as on earth's surface.
  9. Orbiting astronauts do not experience a force of gravity; this explains why they feel weightless.
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