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Does this answer agree with your previous determination of the mass of the loaded meter stick? Account for any discrepancies. 7. You now have 2 values for the mass of the loaded meter stick. They should be the same. Please check for rounding errors. Average calculated value of mass, M= Wrap-Up Questions. 1. Three forces are acting on a rigid body as shown below. F = 200 N E = 300 N 90 cm 1 0 cm 60 cm VE = 100 N (a) Is this body in equilibrium? (b) If not, what is the magnitude and direction of a fourth force which could be applied to the body in order to place the body in equilibrium? (c) Where, along the body, must this fourth force be applied