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Animation: Center of gravity of a triangle (App)

The following interactive smartphone app shows how the center of gravity of a triangle is calculated using geometry. The vertices of the triangle can be moved interactively with your mouse (or your finger on a touchscreen). Title Center of gravity of a triangle Target audience Self-learners Platforms Internet browser Features Full screen modelossless magnificationLarge screens… Read More »

Animation: Inner circle of a triangle (App)

The following interactive smartphone app shows how the inner circle of a triangle is calculated using geometry. The vertices of the triangle can be moved interactively with the mouse (or the finger on a touchscreen). Title Inner circle of a triangle Target audience Self-learners Platforms Internet browser Features Full screen modelossless magnificationLarge screens supported License… Read More »

Animation: Circumcircle of a triangle (App)

The following interactive smartphone app shows how the perimeter of a triangle is calculated using geometry. The vertices of the triangle can be adjusted. The app has been specifically designed for mobile phones and tablets. The layout of the app adopts to the format of the device. The app can also be used on a… Read More »

HD Animation: Law of reflection

The animation shows the geometric relationships between the angle of incidence and the angle of reflection of a reflected beam of light. You can move the spotlight interactively with the mouse. You can change the shape of the medium or mirror using the gray circles. Note on use After starting the application, you can view… Read More »

Animation: Electrical induction 2

The interactive animation illustrates the principle of electromagnetic induction using the example of a rotating conductor loop. The 3D model can be rotated interactively. You can zoom in and out the rectangles in the animation with a mouse click. In the following screenshot only the 3D model is shown. The animation shows a conductor loop… Read More »

HD Animation: Electromagnetic induction 1

The interactive animation provides an introduction to the law of electromagnetic induction. A metal cylinder is shown that can be moved interactively through a magnetic field. Inside the metal cylinder, blue beads indicate the electric current. Note on use As with all animations, the windows can be enlarged or reduced by clicking on them. After… Read More »

HD Animation: Dynamic lift on the wing profile

The animation illustrates the principle of dynamic lift. An aeroplane with a Clark-Y profile is shown. The angle of attack of the wing can be changed. The forces shown as vectors adapt accordingly. Note on use As with all animations, the windows can be enlarged or reduced by clicking on them. After starting the application,… Read More »

HD Animation: Reflection and Refraction

The interactive animation shows the geometric relationships that exist in the reflection and refraction (Snellius’ law of refraction) of light. Note on use As with all animations, the windows can be enlarged or reduced by clicking on them. After starting the application, you can view the animation in full-screen mode. To do this, click on… Read More »

Animation: Pythagorean theorem

The interactive animation illustrates the Pythagorean theorem. For this purpose, the squares formed from the edges of a right-angled triangle are shown. The point A of the triangle can be moved interactively along the perimeter. The squares continuously adjust in real time. Overview and Download Title Pythagorean theorem Target audience Teachers and lecturers Platforms Microsoft®… Read More »