MULTIPLE CHOICE. Choose the one alternative that best completes the statement or

Question

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) Two massive objects are fixed in position. A third object is placed directly between the first two at the position at which the total gravitational force on the third object due to the two massive objects is zero. The object is displaced slightly toward one of the two massive objects, the total gravitational force on the third object is now A) zero. B) in the same direction the object is displaced. C) perpendicular to the displacement of the object. D) in the opposite direction to the displacement of the object. E) in a direction which depends on which of the massive objects has a greater mass.

Explanation / Answer

B) Is in the same direction the object is displaced.

Initial point where object was in equilibrium was pint of unstable equilibrium. As soon as third mass was displaced towards any mass net force started acting on mass towards the direction of displacement.

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