Helicopter: We all have seen the helicopter flying in the sky. With the help of a big fan mounted on the top of the helicopter, it flies in the air above the ground. Airplane also flies in the air. Its engine and its wings help the airplane to fly. The airplane turns right or left only with the help of wings. But the question is that there are no wings in the helicopter, then how does it turn in the air and how does it move back and forth? How…
Read MoreThe Helicopter Flies With Its Wings But How Does It Turn Know How Does It Works
