in the figure shows parachute jumper in four positions in which of the positions dose the force of gravity act on the jumper ?

The force of gravity is the interaction between the parachuter and planet Earth. This force is always attractive, points downward and its magnitude is called weight. For this example the force of gravity acts in all positions, i.e., 1, 2, 3 and 4.
Answer: force of gravity actis in positions 1, 2, 3 and 4.