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April 17, 2014

Homework Help: Physics

Posted by Jesus on Monday, December 12, 2011 at 10:23pm.

In introductory physics laboratories, a typical
Cavendish balance for measuring the gravitational constant G uses lead spheres of masses
1.27 kg and 18.4 g whose centers are separated
by 5.05 cm.
Calculate the gravitational force between
these spheres, treating each as a point mass
located at the center of the sphere. The
value of the universal gravitational constant
is 6.67259 10
−11
N m2
/kg
2
.
Answer in units of N

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