【物理基礎】　運動と力28　動摩擦力　（１９分）

Watch all the lessons from Try's talented instructors for free! Try IT video lessons for junior high and high school students are designed to be easy to understand! You can use them to prepare and review for school, as well as for regular tests and exam preparation. The lessons are taught by top instructors with plenty of teaching experience, who are known for their fun and easy-to-understand teaching methods. *This lesson is a video created during the old curriculum. *Please be careful when watching it to prepare for entrance exams or regular tests for the new curriculum. If you watch the video and think, "It's easy to understand!" or "I want to take a class like this!", Try's individual instruction may be right for you. For details on Try's individual instruction service, to request materials, or to contact us, please click here. https://bit.ly/4hjhKSE In addition, +‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥+ Try offers free video lessons, "Try IT," to support home learning. "Try IT" can be used free of charge even by non-members. Please use it to prepare for exams and improve your home study. Video Lessons Try IT Official Website: https://bit.ly/4jLULBg +‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥+ In this video lesson, you can learn "Physics Basics: Motion and Force 28: Kinetic Friction" in about 19 minutes. The key point of this lesson is that "Kinetic friction is (coefficient of kinetic friction) x (force), its magnitude is constant, and its direction is opposite to the direction of movement." Please watch the video lesson in the following order: [Start] ⇒ [Points of this lesson] ⇒ [Practice] ⇒ [Summary]. If you have any questions about a unit other than this one, please click on the URL below. You can watch the video lessons for each unit together. ■If you have any questions about "Physics Basics," click here! ・Physics Basics: Velocity and Acceleration https://goo.gl/i3qJlj ・Physics Basics: Uniform Acceleration in a Linear Motion https://goo.gl/mkZ6Dm ・Physics Basics: Falling Motion https://goo.gl/VXgcY9 ・Physics Basics: Composite Velocity and Relative Velocity https://goo.gl/VQYPoa ・Physics Basics: Balance of Forces and Action and Reaction https://goo.gl/KwQTVK ・Physics Basics: Laws of Motion (Equation of Motion) https://goo.gl/ro5baX ・Physics Basics: Friction https://goo.gl/y6hjvD ・Physics Basics: Elastic Force https://goo.gl/ia7OTc ・Physics Basics: Buoyancy and Air Resistance https://goo.gl/d0qaPW ・Physics Basics: Work and Kinetic Energy https://goo.gl/PB XgZG ・Physics Basics: Law of Conservation of Mechanical Energy https://goo.gl/wsVVMF ・Physics Basics: Temperature and Heat https://goo.gl/EC1C2N ・Physics Basics: First Law of Thermodynamics https://goo.gl/1WKjjf ・Physics Basics: Wave Basics https://goo.gl/26DJSq ・Physics Basics: Principle of Superposition, Reflected Waves https://goo.gl/ gl/gwQ2gd ・Physical Basics: Strings, Air Columns, Beats https://goo.gl/DlxWDu ・Physical Basics: Electric Current Basics https://goo.gl/nE5yWy ・Physical Basics: Electric Current and Resistance https://goo.gl/5RpjzB ・Physical Basics: Transformers, Electromagnetic Waves https://goo.gl/JoQWP2 ・Physical Basics: Atoms https://goo.gl/qODr0E