Kinematics is defined as the study of motion without reference to massor force.
运动性是对不涉及外时汽车运动的研究。
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One investigator said early inspection showed the plane was not struck from the outside.
一名调查人员称,初期检测结果显示飞机并受袭击导致坠落。
After all, an object at rest stays at rest.
毕竟物体在不受作用时总保持原来静止状态。
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,因为阻止了你。
We tried to break it up from the outside, but that wouldn't work.
我们施加,没有成效。
On the flat grassland, even a small force can alter the direction of a river.
在平坦草原上一个小小就能改变河流方向。
So, an object will continue moving or staying at the same place unless something changes it.
除被改变否则物体会持续移动或静止。
But Bailey says longer telomeres are more likely yet another signal of stress or even injury.
但是贝利说,变长端粒更可能是压迫或损一种信号。
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)需要些许帮助才能转起篮球,但她依然可以跳舞。
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,你必须要施加一个作用在上面。
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,也可能会因一个微小而被逆转:“来得快,去得也快。”
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解释是受影响。
The solar system appears to be untouched by outside forces since it was created, likely billions of years ago.
太阳系自诞生以来,可能是数十亿年前,似乎没有受到影响。
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,这个物体也将会反来对你施加同样。
If one point of the shell is put under external force, the stress is distributed evenly across the entire dome.
如果壳一个点受到作用,压会均匀分布在整个穹顶上。
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流出同时会带出鼻子和鼻窦里病菌。
An object in motion stays in uniform motion unless acted upon by an external force.
一个物体保持匀速运动,除受到作用。
And you are going to include any external forces on that body.
并且你要包括作用在那个物体上任何。
And then you are going to label all of the external forces acting on it.
然后你要标注作用在其上所有。
It was just kind of this outside force, right?
这就像是一种,对吧?
Then there'd be a external force that resist the motion.
然后会有一个来抵抗运动。
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