Act7_4cunasbandastornillos

Act7_4cunasbandastornillos - ESCUELA de INGENIERÍA,...

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Unformatted text preview: ESCUELA de INGENIERÍA, ARQUITECTURA y SALUD ELECTRÓNICA y MECATRÓNICA 13/04/09 M.C. José Abel Padilla Aceves I.T.E.S.M. Actividad Estática Estática Actividad: Fricción en bandas planas, cuñas y tornillos de fuerza. Desarrollo de la Actividad: Resuelva los siguientes ejercicios del libro de texto. Fricción en bandas Fricción en cuñas • ( 29 b m e T T 1 2 = ( 29 ( 29 L s s s s W s W W F      -- +- + = a m m m a m m tan 2 1 2 tan 1 2 2 PDF created with pdfFactory trial version www.pdffactory.com ESCUELA de INGENIERÍA, ARQUITECTURA y SALUD ELECTRÓNICA y MECATRÓNICA 13/04/09 M.C. José Abel Padilla Aceves I.T.E.S.M. Actividad Estática Problem 8.101 A hawser is wrapped two full turns around a bollard. By exerting a 320 (N) force on the free end of the hawser, a dockworker can resist a force of 20 (kN) on the other end of the hawser. Determine: a) The coefficient of static friction between the hawser and the bollard b) The number of times the hawser should be wrapped around the bollard if a 80 (kN) force is to be...
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This note was uploaded on 08/18/2010 for the course IMT 12253 taught by Professor Mikael during the Spring '10 term at École Normale Supérieure.

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Act7_4cunasbandastornillos - ESCUELA de INGENIERÍA,...

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