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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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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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Buoyant Force

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

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Coriolis Force

An imaginary force sometimes used to simplify calculations involving rotating systems, such as the movement of air, water and projectiles over the surface of a rotating earth.

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Coriolis Force

A definition of the Coriolis force including maths from Eric Weisstein's World of Physics.

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Hits: 900

Forces, Moments and Pressure

Revision pages for UK GCSE level covering forces, moments and pressure. Clear and well presented, includes animated diagrams and questions.

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Centrifugal Force

The driver of a car on a curve is in a rotating reference frame and they could use "centrifugal" force to explain why a mug and the carton of eggs on the seat beside them tend to slide sideways.

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Impact Force from Falling Object

This page allows you to calculate the force with which an object impacts the ground.

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hyperphysics

Exchange Forces

All four of the fundamental forces involve the exchange of one or more particles.

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hyperphysics

Friction

Frictional resistance to the relative motion of two solid objects is usually proportional to the force which presses the surfaces together as well as the roughness of the surfaces. Since it is the ...

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