Physics Classroom
The Physics Classroom: 2 Point Source Interference Patterns
The interference of two sets of circular waves with the same frequency and the same amplitude results in a standing wave pattern. These standing wave patterns are known as two-point source interference patterns since they result from the...
Physics Classroom
The Physics Classroom: Ray Diagrams for Concave Mirrors Case A
Ray diagrams are useful tools for determining the location of an image as produced by a concave mirror. All concave and convex mirror ray diagrams can be constructed from knowledge of the behavior of two rays. Learn here about ray diagrams.
Physics Classroom
The Physics Classroom: Ray Diagrams for Concave Mirrors Case B
Ray diagrams are useful tools for determining the location of an image as produced by a concave mirror. Of all the rays which emanate from the top of the object arrow and are incident to the mirror, there are two rays whose behavior at...
Physics Classroom
The Physics Classroom: Ray Diagrams for Concave Mirrors Case D
Ray diagrams are useful tools for determining the location of an image as produced by a concave mirror. Of all the rays which emanate from the top of the object arrow and are incident to the mirror, there are two rays whose behavior at...
Physics Classroom
The Physics Classroom: Image Formation for Concave Mirrors Case A
This animation depicts the path of light to each person's eye. Different people are sighting in different directions; yet each person is sighting at the same image location. In this animation the image location is the intersection point...
Physics Classroom
The Physics Classroom: Image Formation for Concave Mirrors: Case B
A reference page that explores how an image is formed in a concave mirror. Page includes a ray diagram that shows the geometrical lines of sight.
Physics Classroom
The Physics Classroom: Momentum and Its Conservation: Isolated Systems
Students learn that total system momentum is conserved for collisions occurring in isolated systems. They will find out what makes a system of objects an isolated system, and whether momentum conserved if the system is not isolated.
Physics Classroom
The Physics Classroom: Newton's Laws: The Big Misconception
While most people know what Newton's laws say, many people do not know what they mean. This tutorial allows students the ability to understand their meaning and to believe their implications.
Physics Classroom
The Physics Classroom: Newton's Laws: Newton's Second Law
Students begin to explore the meaning of Newton's Second Law of Motion by doing several self-checking practice problems.
Physics Classroom
The Physics Classroom: Momentum/collisions: Two Dimensional Car Collision
This animation below portrays the inelastic collision between two 1000-kg cars. The before and after collision velocities and momentum are shown in the data tables.
Physics Classroom
The Physics Classroom: Static Electricity: Lesson 3: Coulomb's Law
Pay close attention to the three variables between two charged objects, Coulomb's Law is the quantitative expression of these variables. Understand the purpose of the law and extend the understanding through Coulomb's Law Interactive...
Physics Classroom
The Physics Classroom: Work and Energy: Energy Transformation for a Pendulum
The motion of a pendulum is a classic example of mechanical energy conservation. See the mechanics at work here in this animation.
Physics Classroom
The Physics Classroom: Pendulum Motion
This tutorial investigates pendulum motion and how a variety of quantities change over the course of time. Such quantities will include forces, position, velocity and energy - both kinetic and potential energy. Take the interactive...
Physics Classroom
The Physics Classroom: Sound Waves and Music: The Speed of Sound
Students discover factors that affect the speed of sound waves through a medium with illustrated examples and interactive practice problems.
Physics Classroom
The Physics Classroom: Physics Tutorial: Waves: The Speed of a Wave
With sample data, equations, and practice problems, students explore the concept of wave speed.
Physics Classroom
The Physics Classroom: Waves: Frequency and Period of a Wave
Students are introduced to the concept of frequency as it relates to periodic wave motion.
Physics Classroom
The Physics Classroom: Electric Circuits: Circuit Connections: Parallel Circuits
When two or more electrical devices in a circuit are connected, it is known as a series connection or a parallel connection. When all the devices are connected using parallel connections, the circuit is referred to as a parallel circuit....
Physics Classroom
The Physics Classroom: Newton's Laws: Newton's Third Law
Through illustrated examples, and interactive practice problems, students examine Newton's Third Law of Motion.
Physics Classroom
The Physics Classroom: Newton's Laws: Finding Individual Forces
Through illustrated examples and interactive practice problems, students find the value of forces acting upon objects using force equations.
Physics Classroom
The Physics Classroom: Current Electricity: Circuit Connections: Series Circuits
When two or more electrical devices in a circuit can be connected, it is considered a series connection or a parallel connection. When all the devices are connected using series connections, the circuit is referred to as a series...
Physics Classroom
The Physics Classroom: Thermal Physics: Temperature and Thermometers
Use this interactive tutorial to introduce students to the concepts of temperature and thermometers.
Physics Classroom
The Physics Classroom: Newtons Laws: Free Body Diagram Interactive
A skill-building tool that presents students with twelve situations for which they must construct free-body diagrams. Force arrows allow user to toggle the magnitude of the force. Feedback is immediate; opportunities to correct answers...
Physics Classroom
The Physics Classroom: Work and Energy: Energy Transformation on Roller Coasters
Using a roller coaster as an example, the transformation of mechanical energy from the form of potential to the form of kinetic and vice versa is explained and illustrated in the animation.
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Speed and Velocity
In this interactive module, describe and explain the motion of objects that either move in circles or can be approximated to be moving in circles. Kinematic concepts and motion principles will be applied to the motion of objects in...