1.

Which of the following statements regarding gravitational force existing between two bodies is true?

A.  The first body exerts attractive force on the second body while the second body exerts repulsive force on the first body.
B.  The gravitational force is zero when they are kept in vacuum.
C. Eat a balanced diet.
D.  Force exerted by the first body on the second body is equal to the force exerted by the second body on the first.  
Answer» E.


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