Which statement about the wheel is cor- rect? 1. The net force on the wheel is zero but the net torque about the CM is not zero. 2. The net force on the wheel and the net torque on the wheel about the CM are zero. 3. The net force on the wheel is not zero but the net torque about the CM is zero. 4. Neither the net force on the wheel, nor the net torque on the wheel about the CM is zero. 5. None of these