According to Newton's third law of motion—for every action there is an equal and opposite reaction—air streaming out the back faster than the aircraft's speed will thrust the plane forward.
According to Newton's third law of motion—for every action there is an equal and opposite reaction—air streaming out the back faster than the aircraft's speed will thrust the plane forward.
依据牛顿第三运动定律，每个作用力必会产生一个等量而反向的作用力，因此当空气以高于飞机的速度自引擎尾部流出时，便可将飞机向前推。