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Problem 1: The uniform thin frame ABC is supported by
cable DBE that passes through a frictionless ring at B and
by two ball-and-socket joints at A and C. If the tension in
the cable is 20 N, determine,
280 mm
210 mm
D.
E
(a) the center of gravity of the frame,
(b) the weight of the frame, and
(c) mass per unit length of the frame.
510 mm
400 mm
600 mm
480 mm
B

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