Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 148
e care should be taken of the fact that the frictionalforce on any element of the surface (Fig. 96) dependsdirectly upon this normal pressure, while for verticalequiHbrium of translation only the vertical componentof the force due to p should be considered. FRICTION — APPLICATIONS TO MACHINES 131…
Mechanics
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