Torsion balances

A force can be measured by measuring the twisting of the torsion wire in a torsion balance.

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The animation shows the way forces act on wheeled vehicles and vehicles with runners.

Beverage machine - Part 2

We can further develop the machine we presented in the previous video, so it can dispense...

Kepler´s laws of planetary motion

The three important laws describing planetary motion were formulated by Johannes Kepler.

Simple harmonic motion and uniform circular motion

Simple harmonic motion can be considered to be the one-dimensional projection of uniform...

Submarine operation

Submarines submerge and surface by changing the average density of the hull.


A spacecraft on its path is in a constant state of free fall.

Types of waves

Waves play an extremely important role in many areas of our lives.

The development of celestial mechanics

This animation introduces the studies of astronomers and physicists whose works fundamentally...

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