We tried to break it up from the outside, but that wouldn't work.

施加过外力，没有成效。

So, an object will continue moving or staying at the same place unless something changes it.

除非被外力改变否则物体会持续移动或静止。

After all, an object at rest stays at rest.

毕竟物体在不受外力作用时总保持原来的静止状态。

On the flat grassland, even a small force can alter the direction of a river.

在平坦的草原上一个小小的外力就能改变河流的方向。

This is where the external forces are about the same and starting to overwhelm the internal forces.

在这里，外力差不多，并且开始压倒内力。

If you're blocked, you can't move forward because outside forces are stopping you.

如果你被阻挡了，你就无法前进，因为外力阻止了你。

One investigator said early inspection showed the plane was not struck from the outside.

一名调查人员称，初期的检测结果显示飞机并非受外力袭击导致坠落。

But Bailey says longer telomeres are more likely yet another signal of stress or even injury.

但是贝利说，变长的端粒更可能是外力压迫或损伤的另一种信号。

A Kogalymavia executive said yesterday that the only reasonable explanation for the crash was an external influence.

科加雷姆航空公司一位高管昨天表示唯一合理的解释是受外力影响。

To make something accelerate, or speed up, you have to apply a force.

如果你想要让某些物体拥有加速度，你必须要施加一个外力作用在上面。

The solar system appears to be untouched by outside forces since it was created, likely billions of years ago.

太阳生以来，可能是数十亿年前，似乎没有受到外力的影响。

Virginia McLaurin may need a bit of help spinning a basketball, but she can still dance.

维吉尼亚 麦克劳林(Virginia McLaurin)需要外力的些许帮助才能转起篮球，但她依然可以跳舞。

When mucus streams out the nostrils or ispropelled by a forceful blow, it carries germs from the nose and sinuses.

粘液流出鼻孔或是通过外力流出的同时会带出鼻子和鼻窦里的病菌。

If one point of the shell is put under external force, the stress is distributed evenly across the entire dome.

如果外壳的一个点受到外力的作用，压力会均匀分布在整个穹顶上。

If you exert a force on an object, it exerts an equal force back on you.

如果你对某一个物体施加了外力，这个物体也将会反过来对你施加同样的力。

And if real, she notes, it might be reversible by another nudge: " Easy come, easy go."

她特别提到，这种影响即便是真实的，也可能会因另一个微小的外力而被逆转：“来得快，去得也快。”

An object will remain at rest until moved by an outside force.

物体将保持静止状态， 直到被外力移动。

I just feel like outside forces are kind of taking over.

感觉有股外力想把取而代之。

This property is the reason why water can resist external force.

这种特性是水能抵抗外力的原因。

So, what are my external forces?

那么， 的外力是什么？