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The Four Forces of Flight

NASA page explaining the forces involved in flight: lift, drag, thrust and weight.

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Hits: 2614

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: 4027

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: 1861

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: 1272

hyperphysics

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: 2257

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: 1555

hyperphysics

Fundamental Forces

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

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Hits: 1015

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: 1247

hyperphysics

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: 1349

Buoyant Force

A java applet that shows the effect of buoyant force acting on an object less dense than water.

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Hits: 1664

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Showing 21 - 30 of 154