The conclusion of the student is not in order because the student failed to conduct repeated investigations with the same object to test for result reliability.
Gravity is the attractive force that draws all objects to the center of the earth. The force is attractive in nature and its direction is towards the center of the earth. It depends on the masses of objects and their distance of separation from each other.
The students' investigation is wrong because, the student failed to conduct repeated investigations with the same object to test for result reliability.
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