trough with a trapezoidal cross-section, as shown in the figure, contains vegetable oil with density 930 kg/m3. (Use g = 9.8 m/s2 for the acceleration due to gravity.)   [I have answer to part a, I just need help with part b]   (a) Find the hydrostatic force (in N) on one end of the trough if it is completely full of oil.  54684=N (b)Compute the force (in N) on one end if the trough is filled to a depth of 1.5 m. (Round your answer to two decimal places.) ?=N

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