Experiments to test air resistance

Do heavier objects fall faster than lighter objects? Astronauts test Galileo's theories.

Gravity and its effects on a stunt artist

A stunt artist is involved in an experiment to measure the force of gravity.

Gravity on Earth, Jupiter and Pluto

The different effects of gravity on Earth compared to Jupiter or Pluto.

How is friction created?

An explanation of friction using a bobsled as an example.

Weightlessness in space

A female British astronaut demonstrates the effects of weightlessness in a space station.

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