Which of the following is true regarding resistance training: The eccentric phase of an exercise involved the shortening of muscles The concentric phase of an exercise involves the lengthening and shortening of the working muscles One should exhale during the concentric phase of an exercise One should exhale and inhale during the eccentric phase of an exercise

1. The figure shows a truck moving over the bridge and the wind on the bridge. Determine static (Dead) and dynamic (Live) loads Force of wind is live, Weight of bridge is dead load, Weight of truck is live load Force of wind is live, Weight of bridge is live load, Weight of truck is live load Force of wind is live, Weight of bridge is dead load, Weight of truck is dead load All are live load