Emma and Erika push on opposite sides of a door during play….
Emma and Erika push on opposite sides of a door during play. Both push horizontally and perpendicular to the door. Emma pushes with a force of 16.5 N at a distance of 0.65 m from the hinges and Erika pushes at a distance of 420 cm. What force must Erika exert to keep the door from moving? Let’s assume friction is negligible.
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