I want to know that how much torque and speed motor should I require to over throw the 8 kg object Actually this motor would be mount vertically and perpendicular to the axis of the of my robot or car, and the opponent is of 8 kg and from shaft of my mounted motor , there would be z shaped rod whose both ends are connected with iron balls and I need to rotate that balls and overthrow the opponent so how much torque and speed motor should I require for that.

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