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Gravitational force acts on a particle due to fixed uniform solid sphere. Neglect other forces. Then particle :
(A) experiences a force directed along the radial direction only.
(B) always moves normal to the radial direction
(C) always moves in the radial direction only.
(D) always moves in circular orbit.
Gravitational force acts on a particle due to fixed uniform solid sphere. Neglect other forces. Then particle :
(A) experiences a force directed along the radial direction only.
(B) always moves normal to the radial direction
(C) always moves in the radial direction only.
(D) always moves in circular orbit.
Correct option (A ) experiences a force directed along the radial direction only.
Explanation:
Circular motion is a special case in gravitational field. T here may be straight line,elliptical paths, but force will be always directed toward the centre of the sphere.