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所在平台: Udemy |
课程主页: https://www.udemy.com/course/motion-in-1-dimension-kinematics-physics-ix-high-school/
课程评论：没有评论
**课程名称：** 运动学 (物理学) - 高中与AP物理1 **课程概述：** 本课程旨在帮助学生深入理解一维运动的概念，特别适合10至15岁的学生，或者希望在不使用微积分和向量的情况下掌握运动学概念的学生。课程从我们日常生活中观察到的静止和运动的物体出发，例如飞翔的鸟、游动的鱼、流动的血液以及移动的汽车。更广泛地说，原子、分子、行星、恒星和星系都处于运动之中。 课程将探讨我们如何感知运动，即使是通过间接证据（如通过观察尘埃和树叶的移动来推断空气的运动）。它还会提出诸如日出、日落和季节变化等现象是否与地球的运动有关，以及为什么我们无法直接感知地球的运动等问题。 课程强调了运动的相对性，指出同一个物体对于不同观察者来说可能处于运动或静止状态（例如，公交车上的乘客看到路边的树木向后移动，而路边的人则看到公交车和乘客在移动）。 **课程内容重点：** * **一维运动描述：** 学习使用位移 (x)、时间 (t)、速度 (v) 和加速度 (a) 来描述运动。速度被定义为位移的变化率，加速度被定义为速度的变化率。 * **核心概念：** 1. 距离和位移 2. 速率和速度 3. 平均速率和平均速度 4. 快速解决平均速率和平均速度相关数值问题的技巧 5. 匀速直线运动和非匀速直线运动 6. 加速度概念 7. 基于加速度的数值计算 8. 深入理解匀速运动和匀加速直线运动的距离-时间图和速度-时间图 9. 通过图解法证明运动方程 10. 匀速圆周运动的基本概念 * **学习成果：** 完成课程后，学生将能够： 1. 定义一维运动。 2. 描述距离、位移、速度和速率。 3. 区分距离与位移，以及速率与速度。 4. 解决与上述概念相关的计算题。 5. 绘制距离-时间图和速度-时间图，以阐明速度、时间与距离之间的关系。 **课程大纲：** 无
The course on motion in one dimension have been designed for students who want to build a better understanding of this topic.The course have been designed for students aged between 10 to 15 years or those students who want to develop understanding on the concept of kinematics without using calculus and vectors.In everyday life , we see some objects at rest and others in motion. Birds fly , fish swim , blood flows through veins and arteries and car moves.Atoms , molecules ,planets ,stars and galaxies are all in motion. We often perceive an object to be in motion when it changes its position with time. However there are situations where the motion is inferred through indirect evidence s. For example we infer the motion of air by observing the movement of dust and leaves. What causes the phenomenon of sunrise , sunset and changing of season? Is it true to the motion of earth ? If it is true why dont we directly perceive the motion of earth?An object may appear to be moving for one person and stationary for some other. For the passengers in a moving bus , the roadside trees appear to be moving backwards. A person standing on the roadside perceives the bus alongwith the passengers as moving. However a passenger inside the bus sees his fellow passengers to be at rest. What do these observations indicate?Most motion are complex. Some objects may move in a straight line, others may take a circular path. Some may rotate while others may vibrate. In this course we will first learn to describe the motion along a straight line. We shall also learn to express such motions through simple equations and graphs. Later we will discuss ways of describing circular motion.The content of this course covers following topics in depth.Motion in one dimension - Motion is described in terms of displacement (x), time (t), velocity (v), and acceleration (a). Velocity is the rate of change of displacement and the acceleration is the rate of change of velocity. You will learn the following: 1) Distance and Displacement 2) Speed and Velocity (3) Average speed and average velocity (4) tricks to solve numericals based on average speed and average velocity quickly (5) Uniform and Non-Uniform Motion along a straight line (6) Acceleration concepts (7) Numericlas based on acceration (8) Complete understanding of Distance-Time and Velocity-Time graph for uniform motion and uniformly accelerated motion. (9) Proof of Equations of motion by graphical methods (10) Elementary idea of uniform circular motion At the end of the video you will be able to answer the following: 1) Define motion in one dimension. 2) Describe Distance, Displacement, velocity, and speed. 3) Differentiate between Distance and displacement & Speed and Velocity 4) Solve problems based on the above 5) Draw Distance-time graph and velocity-time graph to define the relation between velocity, time and distance.
