PPT Slide
EQUILIBRIUM OF A RIGID BODY
Extra credit problem (optional) - Exam II
The bracket and pulley assembly weight 85 lbs with combined center of gravity at G. Calculate the magnitude of the force supported by the pin at C when a tension of 100 lbs, as shown in the figure, is applied. (Hint: Replace force by an equivalent force and couple system to simplify calculations.) Answer: 226 lbs
Why is the result independent of the location of the attachment point D of the cable on the bracket ?