Didactic proposal to determine the acceleration of gravity
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Abstract
This paper proposes an alternative didactic methodology to determine the acceleration of gravity using a smart phone inside a box with a steel base and sliding on an inclined plane with a steel base. The experiment is performed by placing oil on the steel surface of the inclined plane, then the smartphone is placed on the box and released from the top of the inclined plane and with the help of the Phyphox application the angle of inclination of the plane and the acceleration of the box is measured. The process is repeated by increasing the angle of inclination and in each case the acceleration of the box is measured. Although no direct proportionality was found between the box acceleration and the sine of the tilt angle, a linear relationship was observed, mainly influenced by the friction between the two steel surfaces.
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