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A 20 kg Collar is attached at A and is held in place on the vertical frictionless bar by means of the AB guide. Determine the moment with respect to the lower support of the Bar (Point C, X = 2 m, Y = 0 m, Z = 0m) due to the force exerted by the guide on the collar.

2 n
5 m
A
2 m
2 m

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