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Chapter 04
FORCE SYSTEM RESULTANTS

"The moment of a force about a point or axis provides a measure of the tendency of the force to cause a body to rotate about the point or axis."


COMMUTATIVE LAW


CROSS PRODUCT
A MATHEMATICAL VALUE THAT INVOLVES VECTORS AND USES THE "X" CROSS MULTIPLY SYMBOL.


CURL


DISTRIBUTIVE LAW


MOMENT
A FORCE APPLIED TO AN OBJECT AT SOME DISTANCE FROM THE ROTATION AXIS THAT MAY CAUSE THE OBJECT TO ROTATE. THIS IS THE SAME AS A TORQUE. THE MOMENT IS CALCULATED AS THE PRODUCT OF A FORCE TIMES THE DIRSTANCE OF ITS POINT OF APPLICATION FROM THE AXIS OF ROTATION.


ROTATION
MOTION OF ALL PARTS OF A BODY IN CIRCLES AROUND AN AXIS.


SENSE OF ROTATION


David Snyder
Pages generated by IDL
Tue Feb 01 12:06:15 2000