Question: Determine the time needed to pull the cord at B down 4 ft starting from rest when a force of 10 lb is applied to

Determine the time needed to pull the cord at B down 4 ft starting from rest when a force of 10 lb is applied to the cord. Block A weighs 20 lb. Neglect the mass of the pulleys and cords. B sil 10 b C A

B sil 10 b C A

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