While an airplane is in flight, four forces act on it. thrust is caused by the airplane's propellers pushing through the surrounding air, pulling the airplane forward. drag is caused by the air smacking into the plane's surface, pushing it backward. lift is caused by the air rushing over the wings, pushing it upward. and weight is caused by gravity pulling the plane downward.

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank

Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano. the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? a.positive force, balanced force, negative force b.negative force, balanced force, positive force c.positive force, unbalanced force, negative force d. negative force, unbalanced force, positive force

Increased ozone in the lower atmosphere near the ground results primarily from