Earth and Space

To make anything move along a circular path it is essential to have a force that acts towards the centre of that path.

Physics Narrative 11-14

The centripetal force is interesting in that it acts at right angles to the direction of travel of the object moving along a...

Physics Narrative 11-14

Gravity assists are used to alter the path and speed of spacecraft. Perhaps the most extended gravity assist ever achieved was...

Stories from Physics 11-14 14-16

An asteroid passing close to Earth may have its orbit deflected in such a way as to cause a collision in the future; regions...

Stories from Physics 11-14 14-16

Some satellites are deliberately spun about an axis perpendicular to their orbital plane in order to prevent their position...

Stories from Physics 11-14 14-16