Quote Originally Posted by joebloggs View Post
do you know newtons theory of "Universal Gravitation" AL

my friend is struggling with a question on it
I know ABOUT it Joe. That everything in the Universe has gravity - like the sun's gravity is what keeps all our planets in place/orbit.

However, calculating with his theory - inverse proportionality etc.. may be beyond me now.

Al.

Have we any Physics teachers on the forum?