Physics - The Science of Athletics

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The Clockwork Universe
Isaac Newton was born in 1642, the year that Galileo died. You'll learn how he built on the work of Galileo and Kepler, developing the three laws of motion and the concept of universal gravitation. You'll learn why Newton's laws suggest a universe that runs like a clock.
Physics Demonstrations in Mechanics: Part II
Concepts Covered:
  • Newton's 1st Law: Rest Inertia of Massive Ball
  • Newton's 2nd Law: Effects of a Varied Net Force on a Body's Motion
  • Newton's 3rd Law: Reaction Cart/Projected Ball Bearings
  • Terminal Velocity: Air Resistance Acting on a Free-Falling Body (Stroboscopic Photography)
  • Motion of Center of Mass: System with Internally…
Causes of Motion
For most people, the hardest part of learning physics is to stop thinking like Aristotle, who believed that force causes motion. It doesn't. Force causes change in motion. Learn how Galileo's realization of this principle, and Newton's later formulation of his three laws of motion, launched classical physics.
Fluid Dynamics
Explore fluids in motion. Energy conservation requires low pressure where fluid velocity is high, and vice versa. This relation between pressure and velocity results in many practical and sometimes counterintuitive phenomena, collectively called the Bernoulli effect: explaining why baseballs curve and how airplane speedometers work.
Newton’s Laws Of Motion
Physics is frequently one of the hardest subjects for students to tackle because it is a combination of two of the toughest subjects for most students: Math and Word Problems. What sets this series apart from other physics teaching tools is that the concepts are taught entirely through step-by step…
Physics Demonstrations in Mechanics: Part III
Concepts Covered:
  • Graphical Analysis of Motion: Car Accelerating on Highway (Computer Animation)
  • Vector Addition: Object Traveling on Moving Surface
  • Velocity and Acceleration Vectors: Direction of v and a during Acceleration and Deceleration
  • Newton's 1st Law: Rest Inertia of Bursting Water Balloon; Shattering Flask; and Concrete Block Receiving Sharp Blow…
Falling Freely
Use concepts from the previous episode to analyze motion when an object is under constant acceleration due to gravity. In principle, the initial conditions in such cases allow the position of the object to be determined for any time in the future, which is the idea behind Isaac Newton's clockwork…
Rotational Motion
Turn your attention to rotational motion. Rotational analogs of acceleration, force, and mass obey a law related to Newton's second law. This leads to the concept of angular momentum and the all-important -conservation of angular momentum, which explains some surprising and seemingly counterintuitive phenomena involving rotating objects.
Heaven and Earth, Place and Motion
Understanding motion is the key to understanding space and time. Is there a "natural" state of motion? Learn why the ancients gave different answers to this question, and how Copernicus, Kepler, and Galileo laid the foundation for a new approach.
Speed is Relative to What?
In mechanics (the branch of physics that studies motion), the principle of Galilean relativity holds - meaning that the laws of mechanics are the same for anything in uniform motion. Is the same true for the laws of electromagnetism?
It's a 3-D World!
Add the concept of vector to your physics toolbox. Vectors allow you to specify the magnitude and direction of a quantity such as velocity. The vector's direction can be along any axis, allowing analysis of motion in three dimensions. Then use vectors to solve several problems in projectile motion.
Let There Be Light!
The study of motion is not all there is to physics. By the 18th century, scientists were delving into the relationship between the two phenomena. Today, electromagnetism is known to be responsible for the chemical interactions of atoms and molecules and all of modern electronic technology.