## Sentence Examples

**Then**,**according****to****a****well-known****principle****in****statics**,**the****normal****pressure****at****the****elementary****arc****do****is****TdO**,**T****being****the****mean****tension****of****the****band****at****that****elementary****arc**;**consequently****the****friction****on****that****arc****is****dF**=**JTdo**.**Neglecting****quantities****of****the****second****order**,**the****pressure****on****the****pulley****is****TdO**,**and****the****friction****is**MTd9**where****p**,**is****the****coefficient****of****friction****between****the****belt****and****the****pulley**.