Why is it easier to open a door by applying the force at the free?
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Explanation:
when applying force at the free the perpendicular distance to the axis of rotation of the door increases.so the moment is also increased.(moment=force applied*perpendicular distance between the line of action of the force and axis of rotation of the door)moment increased means the tendency for rotation increased.so it is easier to open a door by applying the force at the free.
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It is easier to open a door by applying the force at the free end of it because of the larger the perpendicular distance, less is the force needed to turn the body.
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