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Physics Gurus come on in Hi basilers, so i was wondering if anyone could help me with a couple of these physics questions :D 1)An airplane moves in straight level flight at constant velocity. What is the net force acting on it if the mass of the plane is 1000 kg and the frictional drag of the air is 1800 N? 2)A toy car which is given a quick push so that it rolls up an inclined ramp. After it is released, it rolls up, reaches its highest point and rolls back down again. Friction is so small it can be ignored. Use one of the following choices to indicate the net force acting on the car if the car is moving up the ramp after it is released. a. Net increasing force down ramp b. Net constant force up ramp c. Net force zero d. Net decreasing for