Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Two objects of masses
M
M
M
and
m
m
m
are a distance
d
d
d
apart and attract each other with force
F
F
F
. If
M
M
M
is unchanged,
m
m
m
is halved, and the separation is reduced to
1
2
d
\tfrac{1}{2}d
2
1
d
, express the new gravitational force in terms of
F
F
F
.
Browse the problem library