In the calculations involving the collar bearings and the pivot bearings, we use cross product. In that mathematically, for two vectors A and B of any magnitude, the cross product of both, i.e. AxB = given by:

• A. |A||B|sinØ
• B. |A||B|
• C. |A||B|cosØ
• D. |A||B|sin(180°+Ø)