The definition of Power is
Power = Work / timeA standard cross punch, say in boxing no doubt requires more work than a Wing Chun punch. The shoulder and waist are used to propel the punch and therefor certainly feels more powerful. The problem is that power is "Work divided by time" So even though the punch feels greatly more powerful than a Wing Chun punch, a Wing Chun punch can be thrown three times in the time it takes to throw a cross punch.
Newton's Third law of motion states:
Newton's Third law of motion states:
Every action has an equal and opposite reaction.So here is where technique comes into it. Lets see how a cross punch and Wing Chun punch are treated when used on a 50kg bag.When both punches are used a resistance from the bag act against the punch in the opposite direction.
