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**ANCETPYNCTEXT** · 08-20-2012, 05:55 PM

Pressures induce stresses and strains in materials
So do forces.

I still don't get what you mean.

I mean if anyone asked what caused the acceleration of the piston in an engine, or what provided the force to rotate a wind turbine or lift an aircraft, I would say pressure.

08-20-2012, 05:55 PM	#40
ANCETPYNCTEXT Join Date Oct 2005 Posts 405 Senior Member	Pressures induce stresses and strains in materials So do forces. I still don't get what you mean. I mean if anyone asked what caused the acceleration of the piston in an engine, or what provided the force to rotate a wind turbine or lift an aircraft, I would say pressure.
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