University:
Angelo State University
Course:
ENGR 2301 | Engineering Mechanics - Statics
Academic year:

2024
Views:

91

Pages:

1
Author:

perlesdesfees9ovd

PROBLEM 3.10 The tailgate of a car is supported by the hydraulic lift BC. If the lift exerts a 125-N force directed along its center line on the ball and socket at B. determine the moment of the force about A. 344 mm SOLUTION ¥10m r 0 / h_{1} F cn To 344 First note Then and d CB = sqrt (344 mm)^ 2 +(152.4 mm)^ 2 =376.25 mm cos theta = (344mm)/(376.25mm) sin theta = (152.4mm)/(376.25mm) F CB =(F CB cos theta)i-(F CB sin theta)i = (125N)/(376.25mm) * [(344mm) * l + (152.4mm) * j] M A =r BCA * F CB r RiA =(410 mm)i-(87.6 min)i M_{A} = [(410mm) * i - (87.6mm) * i] * (125N)/376.25 * (344i - 152.4j) = (30770Nmm) * k = (30.77Nm) * k or M_{A} = 30.8Nm ) Now where Then