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Re: Sunday Morning Puzzle.



At 10:21 9/30/01 -0500, i wrote:
Sunday Morning Puzzler.

You decide to demonstrate an attraction of masses
using the Michell/Cavendish arrangement.

You wish to maximize the deflection produced by the
masses on each end of the balance arm, which are 15 cm lead spheres.

How could you reconfigure the movable external mass for this purpose?

How could you reconfigure both masses for the purpose?




Cheater below
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Ho, hum: no takers, and time's up. Not enough challenge, probably.

1)if a sphere of radius R1 is opposed by a sphere of radius R2,
then the limiting distance is R1 + R2

If a sphere of radius R1 is opposed by a disk of radius R2 of equivalent mass
to the sphere of radius R2,
the limiting distance is R1 + 2/3 R2

2) If both spheres are replaced by disks, the limiting distance is 2/3(R1+R2)


brian whatcott <inet@intellisys.net> Altus OK
Eureka!