The key for the Nets to the rest of a first-round playoff series that is knotted at a game apiece is finding the balance between playing tougher and more physical while also trying not to send Joel Embiid and the 76ers to the foul line for free points. They must find the answer in time for Game 3 Thursday night at Barclays Center to maintain the home-court advantage they gained with a Game 1 road win.