Question

1) The gravitational force between two objects is proportional to A) the distance between the two objects. B) the square of the distance between the two objects. C) the product of the masses of the two objects. D) the square of the product of the masses of the two objects. E) none of the above 2) Two objects attract each other gravitationally. If the distance between their centers is cut in half, the gravitational force A) is cut to one fourth. B) is cut in half. C) doubles. D) quadruples E) remains the same 3) Planet Z-34 has a mass equal to one-third that of Earth and a radius equal to one-third that of Earth. With $g$ representing, as usual, the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the surface of Z-34 is A) $g/3$. B) $3 g$. C) $6 g$. D) $g/9$. E) $9 g$.

          1) The gravitational force between two objects is proportional to
A) the distance between the two objects.
B) the square of the distance between the two objects.
C) the product of the masses of the two objects.
D) the square of the product of the masses of the two objects.
E) none of the above
2) Two objects attract each other gravitationally. If the distance between their centers is cut in
half, the gravitational force
A) is cut to one fourth.
B) is cut in half.
C) doubles.
D) quadruples
E) remains the same
3) Planet Z-34 has a mass equal to one-third that of Earth and a radius equal to one-third that of
Earth. With $g$ representing, as usual, the acceleration due to gravity on the surface of Earth, the
acceleration due to gravity on the surface of Z-34 is
A) $g/3$.
B) $3 g$.
C) $6 g$.
D) $g/9$.
E) $9 g$.

1) The gravitational force between two objects is proportional to
A) the distance between the two objects.
B) the square of the distance between the two objects.
C) the product of the masses of the two objects.
D) the square of the product of the masses of the two objects.
E) none of the above
2) Two objects attract each other gravitationally. If the distance between their centers is cut in
half, the gravitational force
A) is cut to one fourth.
B) is cut in half.
C) doubles.
D) quadruples
E) remains the same
3) Planet Z-34 has a mass equal to one-third that of Earth and a radius equal to one-third that of
Earth. With g representing, as usual, the acceleration due to gravity on the surface of Earth, the
acceleration due to gravity on the surface of Z-34 is
A) g/3.
B) 3 g.
C) 6 g.
D) g/9.
E) 9 g.

Added by Fernando T.

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