The force is always perpendicular to the direction of motion.
因为这个力总是垂直,于运动的方向。
It is not, as globalization critics suggest, a single force pulling in a single direction.
它不是像一些全球化的批评人士所说的一种力量往一个方向前行。
That's also important — the acceleration is in the direction of the force.
这一也十分重要-，加速度与力方向相同。
If you are here, the force is always in the direction opposing increasing potential energy.
力就一直朝着，势能增长的反方向，势能增加。
The wall pushes back in the opposite direction with exactly the same force.
墙同时作用于我,一个反方向的力。
would be a force in this direction.
,就是这个方向的力。
Let's first decompose this force as we did before, in the y direction.
还是照惯例,把力分解到y方向。
So, the direction of the force is going to be that of x, y, z.
所以方向是。
of the force in the x direction.
若只在y方向移动。
Those we force may become unable to act on their own, and instead wait for direction from us.
那些受到我们的强迫而行事之人，也许会失去自主行动的能力，而只能等待我们的指令。
The drag force acts in the opposite direction to the path of the ball.
阻力方向与球的运行方向相反。
What wind direction and force is expected in my position?
风向和风力在我船位置处预计是多少？
Some injuries can be predicted based on the direction and amount of energy force.
根据外力的走行及力度就可以预计到某些损伤的存在。
We know that a force has direction as well as magnitude.
我们知道，力不仅有大小，而且有方向。
The relationship among acceleration, force and the motion direction is discussed.
讨论了加速度与受力、运动方向之间的关系。
Notice that a force has direction as well as magnitude.
要注意，力不但有大小，而且有方向。
To force in a direction away from the centre.
从中央向四周的一种力。
The direction a force is acting can be changed .
力的作用方向是可以改变的。
This force is the same direction as the displacement .
这个力的方向与位移相同。
The opponent is the source of energy; merely change the direction of his force.
力气的来源在于对手，我只是转移对手力气的方向。
The magnitude and direction of force could not change the trend of the stress distribution.
牵引力的大小、方向基本不改变应力的分布趋势。
The direction of the force on the upper conductor is downward.
作用于上导体的力的方向朝下。
What is wind direction and force in your position?
你处风向和风力是多少？
Direction is our driving force.
方向是我们的动力。
It is a familiar fact that a force has direction as well as magnitude.
力不仅有大小，还有方向，这是大家所熟悉的。
We can change the direction(in which)a force is acting.
一个力的作用方向我们是可以改变的。
The direction of the acceleration is the direction of the net force.
加速度的方向与合力的方向相同。
If the direction is opposite with gravity, the resultant force is a levitation force.
若使合力总是指向重力的反方向，则这个合力是一种无支撑的悬浮力。
If the direction is opposite with gravity, the resultant force is a levitation force.
若使合力总是指向重力的反方向，则这个合力是一种无支撑的悬浮力。
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