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Vectors- Motion and Forces in Two Dimensions

This is a good clear site that covers projectile motion and forces, includes diagrams and animations to help the explanations.

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Hits: 4108

Resultant of Forces (Addition of Vectors)

Java Applet showing how to find (graphically) the resultant of 1, 3, 4, or 5 forces.

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Hits: 1904

Exploring the universal glue

The strong force holds atoms together but it's very complicated and not well understood. This article looks at the problems and current research trying to find the solutions.

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Hits: 2707

Net Forces

Three vector forces that can be changed. The resultant vector is calculated and shown by this JAVA applet.

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Hits: 1337

Electric Force fields

A simple site that contains an online alternative to plotting compass' or iron filings. The applet is very effective at showing both the direction of the force on an electron and its magnitude.

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Hits: 1599


Fundamental Forces

This page describes in detail the four fundamental forces of nature.

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Hits: 1046


Hyperphysics - The Nucleus

Relative scale models of an atom, descriptions of size and density of the nucleus and the strong force, with good links to other sites

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Hits: 2360

Force on a Wing

This shockwave activity provides a very basic simulation of the force on an airplane wing. Subscription required but with 30 day free trial.

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Hits: 1267


Hooke's Law

One of the properties of elasticity is that it takes about twice as much force to stretch a spring twice as far. That linear dependence of displacement upon stretching force is called Hooke's law.

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Hits: 1397

Lorentz Force

This java applet gives a practical demonstration of lorentz force when a charge q is applied to a magnetic field.

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Hits: 1580

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