Part A Review The uniform slender rod shown in (Figure 1) has a mass of 7.0 kg. If the cord at A is cut, determine the reaction at the pin O, when the rod is still in the horizontal position. Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 200 mm Foh A Value N Submit Request Answer ? 600 mm- Part Determine the reaction at the pin O, when the rod swings to the vertical position. Express your answer to three significant figures and Include the appropriate units.