Q. The earth's gravitational force field is said to be conservative force field because

• (A) The work acted by the earth's gravitational field on a particle is independent on the path traced out by the particle
• (B) The work acted by the erth's gravitational field will cause same path for all particles irrespective of their mass
• (C) The direction of gravitational force is fixed
• (D) The gravitational field has only single directional component always acting normal to a body