question_answer

A vector \[\overset{\to }{\mathop{A}}\,\]points vertically upward and \[\overset{\to }{\mathop{B}}\,\]points towards east. What is the direction of \[\overset{\to }{\mathop{A}}\,\times \overset{\to }{\mathop{B}}\,\]?                

Answer:

The direction of \[\overset{\to }{\mathop{A}}\,\times \overset{\to }{\mathop{B}}\,\] is along north according to Right handed screw rule.