An introduction to physics in the context of everyday objects.
How Things Work: An Introduction to Physics
ofrecido por
Universidad de Virginia
Programa - Qué aprenderás en este curso
Semana
1Course Introduction
Start here!
1 video (Total 5 minutos), 2 readings, 1 quiz
1 video
2 lecturas
Suggested Readings10m
Translations10m
1 ejercicio de práctica
Preliminary Assessment42m
Semana
2Skating
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 videos (Total 49 minutos), 1 quiz
7 videos
Why Does a Motionless Skater Tend to Remain Motionless?9m
Why Does a Moving Skater Tend to Continue Moving?4m
How Can We Describe the Fluid, Effortless Motion of a Coasting Skater?8m
How Does a Skater Start, Stop, or Turn?16m
Why Does a Skater Need Ice or Wheels in Order to Skate?4m
Skating Summary1m
1 ejercicio de práctica
Skating20m
Semana
3Falling Balls
Professor Bloomfield examines the physics concepts of gravity, weight, constant acceleration, and projectile motion working with falling balls.
8 videos (Total 111 minutos), 1 quiz
8 videos
Why Does a Dropped Ball Fall Downward?4m
How Differently do Different Balls Fall?14m
How Would a Ball Fall on the Moon?9m
How Does a Falling Ball Move After it is Dropped?24m
How Can a Ball Move Upward and Still be Falling?21m
How Does a Ball's Horizontal Motion Affect its Fall?25m
Falling Balls Summary3m
1 ejercicio de práctica
Falling Balls20m
Semana
4Ramps
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 videos (Total 85 minutos), 1 quiz
7 videos
Why Doesn't a Wagon Fall Through a Sidewalk?11m
Why Does a Sidewalk Perfectly Support a Wagon?7m
How Does a Wagon Move as You Let it Roll Freely on a Ramp?12m
Why is it More Exhausting to Lift a Wagon Up Than to Lower a Wagon Down?29m
Why is it Easier to Pull a Wagon Up a Ramp Than to Lift it Up a Ladder?14m
Ramps Summary3m
1 ejercicio de práctica
Ramps20m
Instructor
Louis A. Bloomfield
Professor of PhysicsAcerca de Universidad de Virginia
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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