Two uniform spheres , each of mass M and radius R, touch one another. What is the magnitude of their gravitational force of attraction?
2 answers
Isn't the distance the centers of mass are apart 2R?
Fg = G*m1*m2/r^2
And as bobpursley noted, the r (distance) is 2 * R.
Try to solve for Fg.
And as bobpursley noted, the r (distance) is 2 * R.
Try to solve for Fg.