PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Determine the reactions at the supports at A and C. Also, obtain the force exerted by
the pin at B on bar BC. Take w = 150 N/m.
B
A
3 m
-4 m
-4 m-
C
4 m
30°-
50 mm
-20 mm-
10 mm
The operation of the fuel pump for an automobile depends on the reciprocating action of the rocker arm ABC, which is pinned at B and is spring loaded at A and D.
The vertical force acting on the rocker arm at A is FA
= 50N, and at C it is Fc = 150N.
When the smooth cam C is in the position shown, determine the magnitude of the force at B
wwww
determine the magnitude of the force in the sling as a function of the angle 0.
o dling BAC is used to lift the 10-kN load with constant velocity. By drawing the free-body diagram for the ring at A,
10 kN
9.
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