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所在平台: Udemy |
课程主页: https://www.udemy.com/course/friction-concepts-calculations-and-applications/
课程评论:没有评论
课程名称:摩擦:概念、计算与应用 课程概述:摩擦是一种抵制两个接触表面间相对运动的力量。它源于表面不规则性的微观相互作用。摩擦在日常生活中扮演着重要角色,从提供行走的牵引力到汽车刹车。摩擦在日常生活中的影响和应用广泛,如生火、行走、刹车和磨损等。在本课程中,您将学习以下主题: - 摩擦的类型:静摩擦、动摩擦、滚动摩擦和流体摩擦。 - 影响摩擦的因素:法向力、表面粗糙度、材料特性和润滑。 - 摩擦的应用。 - 问题解决策略。 课程结束时,您将能够: - 使用实例和实验解释摩擦的概念和现象。 - 利用数学和图形方法解决与摩擦相关的问题。 - 评估摩擦在不同背景和场景中的优缺点。 本课程适合任何对物理和工程基本原理感兴趣的人。虽然不需要先前的摩擦知识,但建议对代数、微积分、几何、矢量和自由体图有一些了解。课程包括讲座、小测验、作业和互动活动,您还将有机会通过在线论坛和讨论与讲师及其他学习者互动。本课程为期2周,每周预计学习时长为4小时。
Friction is a force that resists the relative motion of two surfaces in contact. It arises from the microscopic interactions between the irregularities on the surfaces. Friction plays a vital role in everyday life, from providing traction for walking to braking our cars. Friction has many effects and applications in everyday life, such as starting a fire, walking, braking, and wearing. In this course, you will learn about the following topics:* Types of friction: static friction, kinetic friction, rolling friction, and fluid friction.* Factors affecting friction: normal force, surface roughness, material properties, and lubrication.* Applications of friction.* Problem Solving Strategy.By the end of this course, you will be able to:Explain the concepts and phenomena of friction using examples and experiments.Solve problems involving friction using mathematical and graphical methods.Evaluate the advantages and disadvantages of friction in different contexts and scenarios.This course is suitable for anyone who is interested in learning about the basic principles of physics and engineering that govern the natural and artificial world. No prior knowledge of friction is required, but some familiarity with algebra, calculus, geometry, vector and fbd is recommended. The course will consist of lectures, quizzes, assignments, and interactive activities. You will also have the opportunity to interact with your instructor and fellow learners through online forums and discussions. The course duration is 2 weeks, with an estimated workload of 4 hours per week.