Two children push on opposite sides of a door during play. Both push horizontally and perpendicular to the door. One child pushes with a force of 175 N at a distance of 0.500 m from the hinges, and the second pushes at a distance of 0.400 m. What force must the second exert to keep the door from moving? Assume friction is negligible.  N

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.