Thanks for you help just one more thing. I still really don't understand how gravity works is it a wave or particle that acts on from other masses? Does it tke a finite amount of time before the gravtitional force from one body acts on another? I only ask because things like light and...
Thanks russ,
I don't really understand how something can exerting force on something else without losing any energy in the process. What is it about a mass that pulls another towards it? I can't think of a better way to put this but is there any 'communication' between the two masses.
This probably is a really basic question but nobody has ever told me the answer. Does a mass emparting a gravitational force on another mass exert any energy doing this.
Thanks,
Liam