skydiving tunnels have become popular attractions, appealing in part to those who would like a taste of skydiving experience but too overwhelmed by the fear of jumping out of plane at serveral thousand feet. skydiving tunnels are vertical wind tunnel through which air is blown at high speeds allowing visitors to experience body flight. jill decides to try a skydiving tunnel.  inside the tunnel she changes her orientation anf for an instant her 68.9kg body momentarily experiences a upward force of air resistance of 455N. determine her  acceleration  during this  moment in time. is it positve or negative?

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: