Bilingual edition: English is preserved and Chinese follows each unit. Terminology uses the confirmed v20260916 glossary; automated semantic review remains traceable.
中英双语版:英文原文完整保留,中文紧随对应单元;术语采用 v20260916 确认表,自动语义审校结果可追溯。

Conceptual Physics I, Day 4

概念物理I,第4天

How are rotational speed and acceleration related to the corresponding linear quantities?

角速度和角加速度与相应的线性量有何关系?

What is the angular quantity which is analogous to momentum?

什么是与动量相对应的角量?

What are the rotational analogs of mass and force?

转动的类比量是什么?

What is torque? What things do you have to know to calculate it?

力矩是什么?要计算它你需要知道哪些内容?

Describe how the rotational inertia of an object depends upon its mass and the distribution of that mass.

描述物体的旋转惯性如何取决于其质量及质量的分布。

Does motion in a circle at a constant speed involve an acceleration?

在圆周运动中,即使速度保持不变,是否涉及加速度?

If you double the speed of your car around a curve, by what factor must the force exerted by the road on your car go up?

如果你在弯道上将车速加倍,道路对汽车施加的力必须增加到多少倍?

What is angular momentum? Under what conditions is angular momentum conserved?

角动量是什么?在什么条件下角动量守恒?

If a spinning wheel has angular momentum, what is the direction of that angular momentum?

如果一个旋转的轮子有角动量,那么这个角动量的方向是什么?

What is the difference between centrifugal force and centripetal force? Which can you measure with a scale?

向心力和离心力有什么区别?哪一个可以用天平测量?

Calculate the centripetal force on an object moving in a curved path, given the mass, velocity, and radius of curvature of the path.

计算物体在曲线上运动时的向心力,已知其质量、速度和轨迹的曲率半径。
*Rotation- linear parallels

*Momentum

*Angular momentum

*Conservation of angular momentum

*Torque

*Moment of inertia

*Examples

*Centripetal acceleration

*Centrifugal force

*Coriolis force

*Vector angular velocity

*Rotating stool

*Hoop and cylinder

* 旋转-线性类比 * 动量 * 角动量 * 角动量守恒 * 力矩 * 转动惯量 * 例子 * 向心加速度 * 离心力 * 科里奥利力 * 矢量角速度 * 旋转椅 * 环形与圆柱体
Index
索引
  HyperPhysics***** Physics 7110
HyperPhysics ***** 物理学 7110
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Conceptual Physics I, Day 5

概念物理I,第5天

Gravity is one of the fundamental forces. How many kinds of fundamental forces are there? How does gravity compare in strength to the others?

重力是四种基本力之一。已知共有几种基本力?重力与其他基本力相比如何?

How does the gravity force change with distance?

重力如何随距离变化?

How does the gravitational force of the earth on the moon compare with the moon's gravitational force on the Earth?

地球对月亮的引力与月亮对地球的引力相比如何?

How does the gravity force acting toward the center of the Earth cause satellites to go around in orbit?

地球的重力如何使卫星绕地球轨道运行?

What causes the tides? Why are there two per day instead of just one?

潮汐是由什么引起的?为什么每天会出现两次而不是一次?

How do you get a satellite to stay above one point on the earth for communication purposes?

如何使卫星保持在地球上的一个点上方以用于通信目的?

If an object weighs 600 N at the Earth's surface, what will it weigh twice as far out from the Earth's center? ...three times as far out?

如果一个物体在地球表面的重量是600牛顿,那么当它离地球中心两倍远时,它的重量会是多少?……三倍远时呢?
*Gravity

*Fundamental forces

*Law of gravitation
*Inverse square law
*Gravity in orbit

*Newton's 3rd Law
*Circular motion
*Circular orbit
*Tides
*Sun tide
*Jupiter effect
*Black hole
*Weightlessness
*Syncom satellite
* 重力 * 基本力 * 引力定律 * 反平方定律 * 轨道中的重力 * 牛顿第三定律 * 圆周运动 * 圆周轨道 * 潮汐 * 太阳潮汐 * 灰色效应 * 黑洞 * 失重
Index
索引
  HyperPhysics*****Physics 7110
HyperPhysics ***** 物理学 7110
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Conceptual Physics I, Day 6

概念物理I,第6天

How does the velocity and period of a satellite change with distance from the Earth?

卫星的速率和周期如何随与地球的距离变化?

Describe the orbit of the syncom satellites which are used for communication.

描述用于通信的同步卫星轨道。

How do you calculate the conditions for torque equilibrium?

如何计算力矩平衡的条件?
*Circular orbit

*Satellite calculation

*Syncom satellite

*Torque

*Equilibrium

*Lifting example

* 圆形轨道 * 卫星计算 * 同步卫星 * 力矩 * 平衡 * 提升示例
Index
索引
  HyperPhysics*****Physics 7110
HyperPhysics ***** 物理学 7110
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