Physics Classroom
The Physics Classroom: Elephant & Feather (Free Fall)
A demonstration involving an elephant and a feather and explanation of why all objects maintain the same acceleration in the state of free fall without any air resistance.
Physics Classroom
The Physics Classroom: Vectors and Projectiles: Vector Addition: 6 + 8 = ?
Become a student of physics and approach the task of adding vector quantities, which also include direction. See this head-to-tail animation which helps with the visualization of this concept.
Physics Classroom
The Physics Classroom: The Car and the Wall
The Physics Classroom uses an animation of a car crash to lead its discussion on the law of inertia.
Physics Classroom
The Physics Classroom: Centripetal Force Requirement
Animation depicting the effect of a centripetal force on the motion of an object. Newton's laws are used to explain why circular motion requires an inward-directed force.
Physics Classroom
The Physics Classroom: Electrophorus by Induction
This tutorial offers an animation depicting the induction charging of an electrophorus plate by the process of induction. Animation depicts the movement of electrons between plat and ground. The animation is accompanied by explanations...
Physics Classroom
The Physics Classroom: Kepler's Second Law
Kepler's second law of planetary motion is stated and explained. An animation of the orbit of a planet and an accompanying graphic assists in explaining the meaning of the law of equal areas.
Physics Classroom
The Physics Classroom: Skydiving
The Physics Classroom offers this animation depicting the forces acting upon a falling skydiver.
Physics Classroom
The Physics Classroom: Average vs.instantaneous Speed
This is an animation illustrating the distinction between the average speed and the instantaneous speed for any given motion.
Physics Classroom
The Physics Classroom: 1 Dimensional Kinematics
An activity in which average speed is calculated for a ball sliding along an inclined plane. This speed is compared to various instantaneous speeds along the incline.
Physics Classroom
The Physics Classroom: Energy Conservation on an Incline
This site is a discussion and animation about whether the total mechanical energy of a cart rolling down an incline is conserved, which can be determined if there are any external forces acting upon it.
Physics Classroom
The Physics Classroom: Cavendish and the Value of G
A short description of how Cavendish measured the value of G - the universal gravitation constant and supported Newton's theory. Illustrated.
Physics Classroom
The Physics Classroom: Negatively Charged Electroscope
From the Multimedia Physics Studios of the Glenbrook South High School. A tutorial containing a simple animation demonstrating the grounding process for a negatively-charged electroscope. The movement of electrons between the...
Physics Classroom
The Physics Classroom: Introduction to Free Fall
A lesson on free fall covers the fact that free-falling objects do not encounter air resistance and all free-falling objects (on Earth) accelerate downwards at a rate of approximately 10 m/s/s (to be exact, 9.8 m/s/s).
Physics Classroom
The Physics Classroom: Acceleration
A GIF animation comparing the motion of three cars. A graphical depiction is given. Includes three thoughtful questions with answers in a pop-up menu.