Susie and Mark perform an experiment to determine how gravity affects falling objects Susie uses a ball in the experiment Wallmark uses a piece of Styrofoam that has the same mass as the ball Susie and Mark dropped her objects at the same time from the same height but the ball reaches the ground first hey Siri since the objects have the same mass they could reach the ground at the same time so which of the following factors is affecting the force of gravity on objects