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Grade 11General Physics

We cannot open or close the door by applying force at the hinges. Why?

Profile image of Sreeya
8 Years agoGrade 11
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1 Answer

Profile image of Khimraj
8 Years ago
We cannot open or close the door by applying force at the hinges. Because the torque of force at the hinges is zero as perpendicular distance is zero. Hence there is no rotational motion.
Hope it clears.