An apparatus like the one Cavendish used to
find G has large lead balls that are 6.5 kg in
mass and small ones that are 0.075 kg. The
center of a large ball is separated by 0.052 m
from the center of a small ball.
The Cavendish apparatus for measuring
G. As the small spheres of mass m are
attracted to the large spheres of mass M,
the rod between the two small spheres
rotates through a small angle.
Find the magnitude of the gravitational
force between the masses if the value
of the universal gravitational constant is
6.67259 × 10−11 N m2
/kg2
.
Answer in units of N.

Question

An apparatus like the one Cavendish used to
find G has large lead balls that are 6.5 kg in
mass and small ones that are 0.075 kg. The
center of a large ball is separated by 0.052 m
from the center of a small ball.
The Cavendish apparatus for measuring
G. As the small spheres of mass m are
attracted to the large spheres of mass M,
the rod between the two small spheres
rotates through a small angle.
Find the magnitude of the gravitational
force between the masses if the value
of the universal gravitational constant is
6.67259 × 10−11 N m2
/kg2
.
Answer in units of N.