The slant of the roof is too steep to climb.

屋顶的面太陡无法攀爬。

This kind of tear right here is a beveled or a scarf tear.

这种撕裂面或围巾撕裂。

Someone please show me a proper sloper technique.

请来人给我展示一正确的面技术。

And a sloper is like a very sloping hold.

面一非常倾的着力点。

There are six basic types of simple machines, starting with the inclined plane.

简单机器有六种基本类型，先从面开始介绍。

Or you divide both sides by mass, you get force over mass is equal to acceleration.

这力，平行於面的这引力的分力这力，平行於面的这引力的分力。

The last stage is honing and putting a very fine edge or bevel.

最后一步用磨刀石磨，继而得到光滑的边缘或面。

That will give you our acceleration.

这力，平行於面的这引力的分力。

And the direction going into the surface of the plane.

往进入面的方向。

So then you get your acceleration.

这力，平行於面的这引力的分力。

Your acceleration is going to be 4.9 meters per second squared.

这力，平行於面的这引力的分力。

And this is parallel to the plane.

既然它会垂直於面他会垂直於这平行分力。

So maybe there's some normal force that's completely netting it out in this example.

如果没有维持它在面上的摩擦力如果没有维持它在面上的摩擦力。

The function of pyramids changes between groups and cultures, and often they will be stepped rather than flat-sided.

金字塔的功能因群体和文化的不同而不同，它们通常阶梯式的，而不有着平滑面的。

But thanks to our skillful coxswain, we were fouled on the bias rather than broadside, so we didn't capsize.

这水必须排出去。由于艇长的机灵，艇身只面的而不正面的受到海马攻击，所以没被憧翻沉没。

And when the block was stationary, we said there must be an offsetting force.

这力49牛沿面向上的摩擦力，这力49牛沿面向上的摩擦力。

The scientists used high-speed video cameras to record the position of the snakes as they moved sideways up different inclines.

科学家使用高速摄像机记录蛇在不同面上升时的位置，这种运动叫蛇形。

" This is called an inclined plane, " he said.

“这叫做面，”他说。

Alberto got up and put the inclined plane away again.

阿尔贝托起身，又把面收了起来。

But the rest of it fitted intothe cant well enough.

但它的其余部分很适合这面。