People are walking a tightrope unstable equilibrium, balance bar is in the hands of the entire human body in order to stabilize the center of gravity can be adjusted at any time to ensure the body's gravity line falls on the wire
Walking a tightwire is unstable balance, the balance bar in the hand is to stabilize the body's center of gravity can be adjusted at any time, to ensure that the human body's gravity line falls on the wire
The walking steel wire is unstable and balanced. The balance bar in hand is to stabilize the center of gravity of the whole human body, which can be adjusted at any time to ensure that the gravity line of the human body falls on the steel wire<BR>