Question 1: Does the rudder on an airplane allow the plane to pitch up and down? Yes No Unanswered Question 2: When an airplane is in steady flight (constant velocity), is the force of drag equal to the thrust produced by the plane? Yes No Unanswered Question 3: Do the dimples on a golf ball increase the range of the golf ball? Yes No Unanswered Question 4: During the world cup, did Eddy Pope puts back spin on the ball to increase its range? Yes No Unanswered Question 5: Does an airfoil create lift because there is circulation over the airfoil? Yes No Unanswered