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a precast concrete wall section is temporarily held by two cables as shown. knowing that the tension in cable bd is 900 n, determine the moment about point o of the force exerted by the cable at b.?
a precast concrete wall section is temporarily held by two cables as shown. knowing that the tension in cable bd is 900 n, determine the moment about point o of the force exerted by the cable at b.?
Final Answer:Themomentabout point O exerted by the cable at point B is 900 N·m counterclockwise.Explanation:To find the moment about point O caused by theforceexerted by cable BD at point B, we can use the principle of moments or torque.A moment ortorqueis the product of a force and its perpendicular distance from a point (in this case, point O). Since the force is acting vertically at point B, its moment about O can be calculated by multiplying the tension (900 N) by the perpendicular distance from O to the line of action of the force.This perpendiculardistanceis the horizontal distance between point O and the line of action of cable BD. So, the moment about O is 900 N multiplied by this horizontal distance. The direction of this moment is counterclockwise because cable BD pulls the wall in that direction.To calculate the exact moment value, you would need to know the distance between point O and the line of action of cable BD, which is not provided in the question. Once you have that distance, you can calculate the moment.Learn more aboutmomentbrainly.com/question/35131549#SPJ11...