And another rectangle is perpendicular to that.

而另一块矩形乐高与其垂直。

So perpendicular to the surface of the ramp.

所以垂直於斜面表面。

But they were vulnerable to forces applied perpendicular to this direction.

但它们对于从垂直方向所施加的压力很脆弱。

If it's perpendicular to the plane, it's also perpendicular to this vector right over here.

既然它会垂直於斜面他也会垂直於这个平行分力，来推算出这个橘色的向量和黄色的向量的量值。

So first, let's think about perpendicular to the surface of the ramp.

现在先来想垂直於斜面表面的正向力怎麽求所以垂直於斜面表面。

And when a round object spins, it bulges perpendicular to the axis of rotation.

当一个圆形的东西转动，会让垂直转轴的部分凸起。

And this kind of implicitly gives us this direction, it's perpendicular to the plane.

这还隐含了方向，这个力，也就是平行於斜面的这个地心引力的分力。

They're horizontal or perpendicular to it, and then they go down and try to win

板子的水平或者垂直方向，然后他们滑下来，并试图赢得比赛。

Under normal rolling conditions, the forward motion of the suitcase is perpendicular to the wheels' axis of rotation.

在正常滚动的情况下，行李箱的前进运动与轮子的转动轴垂直。

This is because it marks the time when the sun ultimately shines perpendicular to the Tropic of Cancer.

这是因为它标志着太阳最终垂直于北回归线照射的时间。

Imagine for a moment that the Earth's axis were exactly perpendicular to its orbit, straight up and down.

想象一下，如果地球自转轴与公转平面垂直。

This line is perpendicular to the surface of the Earth.

这条我正在涂蓝的线。

It is also perpendicular to the surface of the Earth.

这条蓝线 和这条紫线 是平行的。

I'm talking about in the direction that is perpendicular to the surface of the plane.

这个力，也就是平行於斜面的这个地心引力的分力这个力，也就是平行於斜面的这个地心引力的分力。

And remember, this orange vector is the component of the force of gravity that is perpendicular to the plane.

记住，这个橘色的向量是地球引力垂直於斜面表面的分力然後这里也会有一个分力会平行於斜面表面。

This is perpendicular to the plane.

现在 我们可以用基础三角学求出。

This line is standing perpendicular to this line.

这条线垂直于这条线。

We can solve that to get force perpendicular to the surface equals pressure times area.

我们可以解决这个问题，使垂直于表面的力等于压力乘以面积。

The axis line is perpendicular to the direction of the isoelectric lead.

轴线垂直于等电导线的方向。

When a wave travels along this rope, for example, the peaks are perpendicular to the rope’s length.

波的传播方向。例如，当波沿着绳索传播时，波峰垂直于 绳子的长度。