Exploring Electrostatic Forces

Abstract

This experimental study delves into the quantitative relationship between electrostatic forces and the distance separating charged objects. Initially, a simple observation was conducted on the electrical forces between two pieces of tape, noting their attraction and repulsion. Similar phenomena were explored using charged spheres, and the magnitude of the electrical force between charged objects was determined through video analysis. Our findings suggest that the force acting is dependent on distance, exhibiting an exponential rate of 0.

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04 microcoulombs.

Objective

The primary goal of this study is to elucidate Coulomb's law by observing the forces in static equilibrium, thereby determining the magnitude of the electrical force between charged objects.

Procedure

Utilizing Logger Pro, we meticulously tracked the electrostatic force between two charged spheres and measured the magnitude generated by their repulsion.

Results

The collected data, though not signed, was submitted to Dr. Wijesinghe for analysis. A unanimous agreement was reached among all lab members regarding the provided synopsis.

Data Analysis

Examining the gathered data, we observed that the force generated increased exponentially at a rate of 0.04 microcoulombs. The initial data aimed to dissect the distance spheres moved due to forces acting upon them. We designated X as the hanging sphere and X2 as the probing sphere in a 1m distance field. Calculations involved the equation Fe=Kq1xq2/r2, where Abs(X)-Abs(X2)= CC, Fe=mg sin∂, sin∂=x/l, and Fe=mgx/l.

Discussion

The force between charged objects is contingent on the sizes of the charges and their separation. Coulomb's law, resembling Newton’s Law of Universal Gravitation, follows an inverse square law.

This force, known as Coulomb’s law, can be attractive or repulsive. Calculations for the magnitude of the force can be derived using specific equations, and the direction is evident from the signs of the interacting charges. Notably, the law applies not only to point charges but also to spherically symmetric charge distributions. In realistic scenarios, the electric force between two charged objects vastly outweighs the gravitational force between them.