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Re: [Phys-l] buoyancy on a submerged pole



How do you 'explain' the contact force?
How does your chair 'know' how much upward force to exert.
Is the chair an 'agent'?


At 3:59 PM -0400 11/5/10, Anthony Lapinski wrote:
I tell my students that every force must have a source!

and it must be part of a 'pair' of forces.

go on, please - tell me about the mathematical box analysis.

thanks