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单词 centripetal
释义

centripetal /ˌsentrɪˈpiːtl//senˈtrɪpɪtl/

英汉-汉英词典
  1. adj. 向心(力)的
  2. adv. 向心地
词组 | 习惯用语
centripetal force 向心力
英语例句库
  1. Using biserial roller axletree with centripetal spherical support of the host axletree can reduce energy consumption by 30%.
    主轴承受用双列向心还球面滚子轴承,可降低能耗30%。

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原声例句
传说之境

Because the centripetal force of Earth's rotation is stronger at the Equator.

因为地球自转的向心力在赤道处更强。

美国历史频道纪录片《宇宙》

The other high tide you can think of is being caused by the Earth's centripetal force.

其它高潮你能够想象到是由地球的向心力引起的。

生活大爆炸 第1季

Wow, centrifugal force. Actually, it's centripetal force, which is an inward force generated by the glass acting on the olive...

哇,离心力。实际上是向心力。玻璃对橄榄作用产生的内向力。

可汗学院:物理

So there are centripetal motion. There is some net inward force going on here.

所以有向心运动。这里有一些净内向力。

潘潘

They had a joke that they had come here because of a centripetal force.

他们有个玩笑说他们因为向心力而来到这里。

Crash Course Physics 速成课物理

The reason that people confuse the centripetal force with what feels like a centrifugal

人们混淆吸引力的原因 是什么让你感觉像离心力?

TED-Ed(视频版)

As the air that's routed above makes its way around the nose of the wing, it experiences centripetal acceleration, the force you also feel in a sharply turning car.

当从上方流出的空气绕过机翼前端时,它会产生向心加速度,您在急转弯的汽车中也会感受到这种力。

连线杂志

When you take that uniform solution and you want to isolate your plasma, if you put into the machine and then the centripetal force forces the densest thing to the outside, that's why it's angled.

当你得到均匀的溶液并想分离等离子体时,如果你放入机器,然后向心力将最致密的东西推到外面,这就是它成角度的原因。

夜色温柔(上)

As he reached the platform, with spring twilight gilding the rails and the glass in the slot machines, he began to feel that the station, the hospital, was hovering between being centripetal and centrifugal.

当他到达站台时, 春天的暮色给轨道和老虎机的玻璃镀上了一层金色, 他开始觉得车站, 医院,在向心和离心之间徘徊。

中文百科

向心力 Centripetal force

(重定向自Centripetal)
Une balle accrochée par un fil tourne autour d'un axe. La force centripète est exercée par le fil sur la balle pour la maintenir en rotation sur la trajectoire spécifiée. C'est cette force qui donne au fil sa tension.

在古典力学中,向心力是当物体沿着圆周或者曲线轨道运动时,指向圆心(曲率中心)的合外力作用力。“向心力”一词是从这种合外力作用所产生的效果而命名的。这种效果可以由弹力、重力、摩擦力等任何一力而产生,也可以由几个力的合力或其分力提供。

因为圆周运动属于曲线运动,在做圆周运动中的物体也同时会受到与其速度方向不同的合外力作用。对于在做圆周运动的物体,向心力是一种拉力,其方向随着物体在圆周轨道上的运动而不停改变。此拉力沿着圆周半径指向圆周的中心,所以得名“向心力”。向心力指向圆周中心,且被向心力所控制的物体是沿着切线的方向运动,所以向心力必与受控物体的运动方向垂直,仅产生速度法线方向上的加速度。因此向心力只改变所控物体的运动方向,而不改变运动的速率,即使在非匀速圆周运动中也是如此。非匀速圆周运动中,改变运动速率的切向加速度并非由向心力产生。

英语百科

Centripetal force 向心力

(重定向自Centripetal)
A body experiencing uniform circular motion requires a centripetal force, towards the axis as shown, to maintain its circular path.
Vector relationships for uniform circular motion; vector Ω representing the rotation is normal to the plane of the orbit with polarity determined by the right-hand rule and magnitude dθ /dt.
Upper panel: Ball on a banked circular track moving with constant speed v; Lower panel: Forces on the ball
Velocity and acceleration for nonuniform circular motion: the velocity vector is tangential to the orbit, but the acceleration vector is not radially inward because of its tangential component aθ that increases the rate of rotation: dω / dt = | aθ| / R.

A centripetal force (from Latin centrum "center" and petere "to seek") is a force that makes a body follow a curved path. Its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path. Isaac Newton described it as "a force by which bodies are drawn or impelled, or in any way tend, towards a point as to a centre". In Newtonian mechanics, gravity provides the centripetal force responsible for astronomical orbits.

近义、反义、联想词
近义词
adj.
inward-developing, inward-moving, afferent

反义词
n.
centrifugal, efferent, motorial

联想词
centrifugal离心的;gravitational万有引力的;gravity重力,地心引力;inertial惯性的;radial半径的;inertia惯性;axial轴的;force武力;acceleration加速;friction摩擦,摩擦力;kinetic运动的;
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更新时间:2025/6/18 2:42:15