the drawing shows a 150 kg crate hanging from one end of steel bar (S= 8.1 x10^10 n/m^2) The length of the bar is 0.428 m and its cross-sectional area is 7.94 x 10 ^-4 m^2. Neglect the weight of the bar itself and determine  the vertical deflection deltaY of the right end of the bar in meters

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