_ " u lpoint A helicopter designed for vertical takeoff has a mass of 6.7 x 103 kg. Find the network done (In Joules) by all forces on the helicopter as it accelerates upward at 5.4 m/s2 through a distance of 31.3 m aer starting from rest. Type your answer... 9 A father drags his daughter on a sled in a light packed snow. He exerted 165 N of force with an angle of 34 degrees to the horizontal. He dragged her for 295 m of distance. What is the amount of work (in joules) done