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 1

概念物理I,第一天
What quantities must you measure to describe completely the motion of a ball tossed into the air?

What units are used to specify these quantities?

What are the three most commonly used systems of units?

What are the three fundamental mechanical quantities which form the basis for all mechanical measurement?

What are the prefixes used with powers of ten to denote 1000x and 1/1000?

A ball is thrown upward with a velocity of 30 m/s. Find its height and velocity after 1 second. Find its maximum height. Find its total time of flight when it reaches its original height.

一个球以30 m/s的速度被向上抛出。求1秒后它的高度和速度。求它的最大高度。求它回到原高度时的总飞行时间。

Will a heavy object fall faster than a light object?

重物会比轻物下落得更快吗?

Assuming constant acceleration, show a complete set of motion equations which will describe any motion meeting this condition.

假设加速度恒定,推导一组完整的运动方程,以描述满足此条件的任何运动。

If you know the acceleration of an object, how do you find its speed and distance traveled at any given time? (Assume straight-line motion, constant acceleration.)

如果你知道一个物体的加速度,如何在任意给定时间找到它的速率和行驶距离?(假设直线运动,加速度恒定。)
要完全描述一个被抛向空中的球的运动,必须测量哪些量?这些量用什么单位来指定?最常用的三个单位制是什么?哪些是构成所有机械测量基础的三个基本机械量?用于表示1000倍和1/1000的十次幂前缀是什么?
*Description of motion

*Physical units

*Unit systems

*Mechanical quantities

*Powers of ten

*Motion equations

*Motion calculation

*Solving equations

*Motion explorer

*Vertical trajectory

*Free fall

* 运动描述 * 物理单位 * 单位制 * 机械量 * 十的幂 * 运动方程 * 运动计算 * 解方程 * 运动探索器 * 竖直运动 * 自由落体
Index
索引
  HyperPhysics***** Physics 7110
HyperPhysics ***** 物理学 7110
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Conceptual Physics I, Day 2

概念物理I,第2天

What is the role of "conservation laws" in physics?

守恒定律在物理学中起什么作用?

What does it mean to say a quantity is "conserved"?

说一个量是‘守恒的’是什么意思?

If you fire a bullet horizontally and drop another simultaneously, which will hit the ground first?

如果你水平射击一颗子弹,同时释放另一颗子弹,哪颗会先落地?

What causes motion?

什么引起运动?

What is the difference between mass and weight?

质量与重量有什么区别?

Is an astronaut really weightless?

宇航员真的没有重量吗?

Describe the pairs of forces which illustrate Newton's third law when one block sits on top of another.

当一个块放在另一个块上时,描述体现牛顿第三定律的力对。

Describe static and kinetic friction and their applications.

描述静摩擦和动摩擦及其应用

Should you lock your wheels in a panic stop or back off the brake a bit to keep your wheels from locking?

如果你在紧急制动时恐慌地锁死车轮,还是稍微松开刹车以防止车轮锁死?

Do four-wheel drive vehicles stop quicker?

四驱车能更快停下来吗?

Given F=ma, calculate the motion of an object.

已知F=ma,计算物体的运动。
*Conservation laws

*Conservation of momentum

*Freely falling object
*Horizontal launch
*Ballistic trajectory
*Baseball trajectory
*Newton's 1st Law
*Newton's 2nd Law
*Newton's 3rd Law
*Weight
*Weight calculation
*Weightlessness
*Elevator problem
*Blocks on scale
*Friction
*Rolling friction
*Auto stopping distance
*Standard friction model
*Friction and contact area
*F=ma
*Newton's laws
* 动量守恒定律 * 动量守恒 * 自由下落物体 * 水平发射 * 弹道轨迹 * 棒球轨迹 * 牛顿第一定律 * 牛顿第二定律 * 牛顿第三定律 * 重量 * 重量计算 * 失重 * 电梯问题 * 盒子在秤上 * 摩擦 * 滚动摩擦 * 汽车停车距离 * 标准摩擦模型 * 摩擦与接触面积 * F=ma * 牛顿定律
Index
索引
  HyperPhysics*****Physics 7110
HyperPhysics ***** 物理学 7110
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Conceptual Physics I, Day 3

概念物理I,第3天

What is momentum?

什么是动量?

Under what conditions does "conservation of momentum" apply?

在什么条件下‘动量守恒’适用?

What is impulse? How is it related to Newton's second law?

冲量是什么?它与牛顿第二定律有什么关系?

For a Mack truck and a Honda Civic head-on collision, compare the force, impulse, change in momentum, time of collision, and acceleration for the two vehicles.

对于一辆卡车和一辆本田思域的正面碰撞,比较两者在力、冲量、动量变化、碰撞时间以及加速度方面的差异。

How does the concept of "impulse" show that the impact force will be less for a padded dashboard?

冲量的概念说明,对于一个有缓冲的仪表板,冲击力会更小。

Distinguish between elastic and inelastic collisions.

区分弹性碰撞和非弹性碰撞。

What is work? What is energy? What is power?

什么是功?什么是能?什么是功率?

A small ball dropped on top of a large ball will rebound to an amazing height. Why is that?

一个小球落在一个大球上面会弹起非常高的高度。为什么会出现这种情况?

What is the relationship of work to energy?

功与能之间有什么关系?

What are kinetic energy and potential energy?

动能和势能是什么?
*Momentum

*Conservation of momentum

*Impulse

*Two truck example

*Elastic collisions

*Inelastic collisions

*Airplane and duck

*Duck at angle

*Work

*Energy

*Power

*Double ball drop

*Slingshot orbit

*Work- energy principle

*Kinetic energy

*Potential energy

* 动量 * 动量守恒 * 冲量 * 两辆卡车的例子 * 弹性碰撞 * 非弹性碰撞 * 飞机和鸭子 * 鸭子成角度 * 功 * 能 * 功率 * 两个球下落 * 弹弓轨道 * 功-能原理 * 动能 * 势能
Index
索引
  HyperPhysics*****Physics 7110
HyperPhysics ***** 物理学 7110
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