Origins of Gravity

Most recent answer: 05/23/2013

Q:
if the earth was made of plastic (solid plastic core), would it have a gravitational pull?? and WHY?? Please be as specific as you can, thank you so much ken
- ken (age 44)
boca raton fl.
A:

Yes, all forms of energy cause gravity. That includes any type of rest mass- molten iron, plastic, used comic books, caviar, whatever. All objects gravitationally attract all other objects. 

Mike W.


(published on 05/23/2013)