The bigger the wheel radius, the less torque force the motor is apply to ground when it rotates the wheel. That’s why with a smaller radius, you have more force. It’s a force times a displacement, in other words work.
The bigger the wheel radius, the less torque force the motor is apply to ground when it rotates the wheel. That’s why with a smaller radius, you have more force. It’s a force times a displacement, in other words work.