Why replace force systems with force and couple systems

chandran · Nov 25, 2006

In mechanics problems why always the force systems are replaced by force and couple systems. any practical example is available?

radou · Nov 25, 2006

chandran said:

In mechanics problems why always the force systems are replaced by force and couple systems. any practical example is available?

Perhaps you meant why force and couple systems are replaced with equivalent resulting systems?

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