Question: 21. Three forces, labeled A, B, C, are applied to a door that may rotate about a hinge at P. The forces all have the

21. Three forces, labeled A, B, C, are applied to a door that may rotate about a hinge at P. The forces all have the same magnitude and each force makes a 30 angle with the door as shown. Which relationships are true for the magnitude of torque caused by these forces as well as the net torque about point P? a) TA = TB = TC

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