关于此课程： An introduction to physics in the context of everyday objects.
制作方： 弗吉尼亚大学
教学方： Louis A. Bloomfield, Professor of Physics
| 级别 | Intermediate |
| 承诺学习时间 | 11 hours of videos and assessments |
| 语言 | English, 字幕： Arabic, French, Portuguese (European), Chinese (Simplified), Italian, Korean, German, Urdu, Russian, Hebrew, Spanish, Hindi, Japanese |
| 如何通过 | 通过所有计分作业以完成课程。 |
| 用户评分 |
授课大纲
第 1 周
Course Introduction
Start here!
1 视频, 2 阅读材料, 1 练习测试
- 视频: Introduction to How Things Work
- Reading: Suggested Readings
- Reading: Translations
- Practice Quiz: Preliminary Assessment
第 2 周
Skating
Professor Bloomfield examines the principle of inertia through skate boarding. Objects at rest tend to remain at rest while objects in motion, tend to remain in motion. Why does a stationary skater remain stationary? Why does a moving skater tend to continue moving? How can we describe the fluid, effortless motion of a coasting skater? How does a skater start, stop, or turn? Why does a skater need ice or wheels in order to skate? Physics concepts covered include Newton's first and second laws and 5 physical quantities: position, velocity, acceleration, force, and mass.
7 视频
- 视频: Skating Introduction
- 视频: Why Does a Motionless Skater Tend to Remain Motionless?
- 视频: Why Does a Moving Skater Tend to Continue Moving?
- 视频: How Can We Describe the Fluid, Effortless Motion of a Coasting Skater?
- 视频: How Does a Skater Start, Stop, or Turn?
- 视频: Why Does a Skater Need Ice or Wheels in Order to Skate?
- 视频: Skating Summary
已评分: Skating
第 3 周
Falling Balls
Professor Bloomfield examines the physics concepts of gravity, weight, constant acceleration, and projectile motion working with falling balls.
8 视频
- 视频: Falling Balls Introduction
- 视频: Why Does a Dropped Ball Fall Downward?
- 视频: How Differently do Different Balls Fall?
- 视频: How Would a Ball Fall on the Moon?
- 视频: How Does a Falling Ball Move After it is Dropped?
- 视频: How Can a Ball Move Upward and Still be Falling?
- 视频: How Does a Ball's Horizontal Motion Affect its Fall?
- 视频: Falling Balls Summary
已评分: Falling Balls
第 4 周
Ramps
Professor Bloomfield examines the physics concepts of Newton's third law including conserved quantities, support forces, work, energy, and mechanical advantage working with ramps.
7 视频
- 视频: Ramps Introduction
- 视频: Why Doesn't a Wagon Fall Through a Sidewalk?
- 视频: Why Does a Sidewalk Perfectly Support a Wagon?
- 视频: How Does a Wagon Move as You Let it Roll Freely on a Ramp?
- 视频: Why is it More Exhausting to Lift a Wagon Up Than to Lower a Wagon Down?
- 视频: Why is it Easier to Pull a Wagon Up a Ramp Than to Lift it Up a Ladder?
- 视频: Ramps Summary
已评分: Ramps
第 5 周
Seesaws
Professor Bloomfield illustrates the physics concepts of rotational versus translational motion, Newton's law of rotation, and 5 physical quantities: angular position, angular velocity, angular acceleration, torque, and rotational mass using seesaws.
8 视频
- 视频: Seesaws Introduction
- 视频: How Does a Balanced Seesaw Move?
- 视频: Why Does a Seesaw Need a Pivot?
- 视频: Why Does a Lone Seesaw Rider Plummet to the Ground?
- 视频: Why do the Riders' Weights and Positions Affect the Seesaw's Motion?
- 视频: Why Do the Riders' Distances from the Pivot Affect the Seesaw's Responsiveness?
- 视频: How Do the Seesaw's Riders Affect One Another?
- 视频: Seesaws Summary
已评分: Seesaws
第 6 周
Wheels
Professor Bloomfield illustrates the physics concept of frictional forces through experiments with wheels.
8 视频
- 视频: Wheels Introduction
- 视频: Why Does a Wagon Need Wheels?
- 视频: Why is Sliding a Box Across the Floor Usually Hardest at the Start?
- 视频: How is Energy Wasted as a Box Skids to a Stop?
- 视频: How Do Wheels Help a Wagon Coast?
- 视频: How do Powered Wheels Propel a Bicycle or Car Forward?
- 视频: How is Energy Present in a Wheel?
- 视频: Wheels Summary
已评分: Wheels
第 7 周
Bumper Cars
Professor Bloomfield examines the physics concepts of momentum, impulse, angular momentum, angular impulse, and the relationship between potential energy and force using bumper cars.
7 视频
- 视频: Bumper Cars Introduction
- 视频: Does a Moving Bumper Car Carry a Force?
- 视频: How is Momentum Transferred From One Bumper Car to Another?
- 视频: Does a Spinning Bumper Car Carry a Torque?
- 视频: How is Angular Momentum Transferred From One Bumper Car to Another?
- 视频: How Does a Bumper Car Move on an Uneven Floor?
- 视频: Bumper Cars Summary
已评分: Bumper Cars
第 8 周
Final
This is the final exam.
常见问题解答
运作方式
Coursework
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制作方
弗吉尼亚大学
A premier institution of higher education, The University of Virginia offers outstanding academics, world-class faculty, and an inspiring, supportive environment. Founded by Thomas Jefferson in 1819, the University is guided by his vision of discovery, innovation, and development of the full potential of students from all walks of life. Through these courses, global learners have an opportunity to study with renowned scholars and thought leaders.
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评分和审阅
I find this course simple to follow and well taught by the professor because it associates daily objects and incorporates such complexity in the simplest format so I can follow.
Awesome course, very intuitive and practical lessons from professor Lou made me understand the concepts really good
Love the course. Energetic and brilliant instructor! Easy to understand, even for me, someone who learned Eng as the third language, someone who currently has a 15mo, and someone who had never paid attention in Physics classes growing up. (Hmm, musician, just typical!) I, however, do have two suggestions, if I may:
I would suggest to unlock the quiz. I know that it's a paid content. But, isn't Coursera a place that encourages learning instead of learning for a certificate? Those who want the certificate could pay for it after they are done with the class.
Forgive me if someone else has already mentioned this: In the early class, there was a video showing Lou running up stairs and stops. I think it would be fair, if we also considered the very beginning moment(still) to start running. (I think the options started from "already" moving instead of from no movement to movement)
I certainly hope to take more classes by Louis from now on. (Yes, feel free to quote me in the petition!)
KS
Very informative course