In another event, the cowboy throws a rope around the neck of a young cow.

VOA: special.2009.02.16

Suppose I had a rope, that stretched from that into the room, all the way across-- to this end of the room.

假设我有一根绳子，从屋子的这一端，一直伸展到-,屋子的这一端。

耶鲁公开课 - 死亡课程节选

Either a rope is pulling, a rope is pushing it, you are pushing it, you are pulling it.

无论绳子是在拉你还是推你,无论你是在推物体还是拉物体

耶鲁公开课 - 基础物理课程节选

If a climber slips, a rope can stop him from falling.

VOA: special.2009.12.09

What makes up a rope? Of course you know, ropes are basically bundles of fibers, very same fibers that have been woven together in a certain way.

绳子是由什么构成的？，你肯定知道，是由一束束纤维构成，是由一样的纤维按某种方式编织,在一起构成。

耶鲁公开课 - 死亡课程节选

He has a rope attached to his harness.

VOA: special.2009.12.09

The rickety bridge is one that's kind of a rope bridge.

摆桥是索桥的一种。

耶鲁公开课 - 心理学导论课程节选

Each trawl is basically a rope strung with twenty-five lobster traps - wire cages,each the size of a big trunk.

VOA: standard.2010.07.20

This is very important, because when you buy a rope, they will tell you how much tension it can take before it'll snap.

这非常重要,因为你去买绳子,他们会告诉你,绳子能承受的最大拉力是多少

耶鲁公开课 - 基础物理课程节选

The Japanese say the powerboat repeatedly came very close to the factory ship, the Nisshin Maru, while activists tried to entangle its rudder and propeller with a rope.

VOA: standard.2010.01.06

I got 3 kg and I have a rope.

有一个 3 千克的物体和一根绳子

耶鲁公开课 - 基础物理课程节选

"Hats,scarves, we've got playing cards, soap on a rope,things like that."

VOA: standard.2010.07.10

If your plan is to accelerate a 3 kg mass with an acceleration of 2 meters per second, you better have a rope that can furnish that force and it can take the tension of 6 Newtons.

如果你想用 2 米每秒平方的加速度,去拉一个 3 千克的物体,那么你就需要一根能提供拉力的绳子,并且它能够承受 6 牛的张力

耶鲁公开课 - 基础物理课程节选

He invented the skill of throwing a special rope called a lasso over a cow's head to catch wandering cattle.

VOA: special.2011.06.11

So, massless bodies will always have, like a massless rope, equal and opposite forces on the two ends.

所以无质量的物体,比如这个绳子,两边所受的力永远都相等

耶鲁公开课 - 基础物理课程节选

I lighted my lantern, and found that I was perched on a narrow ledge, almost at the end of my rope literally and figuratively.

VOA: special.2009.12.07

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

耶鲁公开课 - 基础物理课程节选

So he took his rope out though some say it was a huge rattlesnake and lassoed Sue to catch her and bring her down to Earth.

VOA: special.2009.11.28

Whenever you're asked on a problem, "What's the tension on the rope?"

不管什么题目问你,"绳子的张力是多少"

耶鲁公开课 - 基础物理课程节选

We run a tight rope daily, balancing a pile of books on the head.

VOA: special.2009.06.28

We know there is no thing called a massless rope, but most ropes have a mass, but maybe negligible compared to the two blocks you are pulling, so we'll take the idealized limit where the mass of the rope is 0.

我们都知道无质量的绳子是不存在的,是绳子就有质量,但是相比于这两个物体就可以忽略不计了,所以我们有了这个理想的条件,即绳子的质量都是 0

耶鲁公开课 - 基础物理课程节选

He was tied to the spacecraft by a long rope.

VOA: special.2009.06.24

kg is being pulled by the rope on the right with a force that I'm going to call T, which stands for tension.

千克的物体受到绳子向右的一个拉力,我称它为 T,也就是拉力的意思

耶鲁公开课 - 基础物理课程节选

A leash is a kind of rope.

VOA: special.2009.03.29

When you say the rope is under tension being pulled from both sides by a certain force, the tension is not 0 just because this T and that T cancel.

当绳子被绷紧,即两端被拉伸时,拉力并不为 0,因为这个 T 和那个 T 相互抵消了

耶鲁公开课 - 基础物理课程节选

There was such a large crowd that a ship's cable, a heavy rope, was stretched across the portico to separate the crowd from Jackson as he took the oath and delivered his inaugural address.

VOA: special.2009.01.19