Daily Archive: May 8, 2016

Gravitation and Circular Motion

Why does a orbiting satellite not fall to the Earth? A common misconception among students is that orbiting satellites do not experience gravity. It is argued that since these satellites are not falling to...

Gravitation – Potential and Potential Energy

Gravitational Potential and Potential Energy Gravitational potential at a point is the amount of work needed to bring a unit mass from infinity to that point. Gravitational potential is defined to be negative since...