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Force of Gravity Everybody in the universe attracts every other body with a force called the force of gravitation or force of gravity The gravity of the force of attraction between the earth and any object lying on or near its surface Gravitation is the force of attraction between any two objectsApr 10, 19 · If the gravitational force between two objects were proportional to (1/R) (and not as 1/R 2) where R is separation between them, then a particle in circular orbit under such a force would have its orbital speed v proportional to (A) (1 / R 2) (B) R 0 R 1 (D) (1/R)The gravitational force between two objects is proportional to their masses and inversely proportional to the square of the distance between their centers G m 1 m 2 r 2 F = (Newtons) • F is an attractive force vector acting along line joining the two centers of masses • G = Universal Gravitational Constant G = 667 x 1011 Nm2/kg2 Newton S Law Of Universal Gravitation Gravitational force between two objects is inversely pro...