Aiming at beam string structure with double cables, the stereoscopic force body system of its special air space, this text adopts the theory of finite element and software as to analyze the structure.

本文针对双索张弦梁结构独特的空间受力体系，采用有限元理论及工具软件对其分析与研究。

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A life force called qi circulates through the body.

一种叫做“气”的生命力在体内循环。

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Protracting object's free-body diagram is a course of analysising object's force from other object.

画受力图是解决力学问题关键的一步。

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It seemed as if a heavy body was thrown against the table with a force that pushed against his chest.

VOA: special.2009.10.31

If you connect the body to a spring, which is neither compressed nor extended, there's no force acting on it.

如果将一个弹簧连在这个物体上,弹簧既没有被压缩也没有被拉伸,也不会有力作用在它上面

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So, a massless body cannot have a net force on it, because the acceleration of the rope cannot be infinite.

所以没有质量的物体不会受到力,因为绳子的加速度不可能是无穷大

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By simply piercing the surface of the water, you set off an energy force within the body of water that extends outward, impacting anything it touches.

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According to Einstein, the force of gravity keeping your feet on the ground is fundamentally identical to the force slamming your body forward when you hit the brakes on the highway or take a sudden sharp turn.

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Seat belts could, in the 100 milliseconds of a crash, avoid breaking an old lady's ribs by calibrating how much force to apply to a body after gathering sensor data on the car's speed and deceleration and the weight and position of the occupant.

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