A foot pushes against the ground with a force of 777 N in the vertical direction with a perpendicular displacement of 0.125 m away from the COM and 850 N in the horizontal direction with a perpendicular displacement of 0.025 m away from the COM. If the calf muscle pulls with a 1658 N force at a 75° angle relative to the positive horizontal and acts 0.125 m away from the COM in the vertical direction and 0.025 m away from the COM in the horizontal direction, what is the net torque on the foot? If the foot has a moment of inertia of 0.0042 kgm2 ,what is the angular acceleration of the foot?