Electric Static Force

 
 

We observed the tape would repel when both pieces of tape had the same charge and attract when they had been oppositely charged.

Here we used a force diagram to solve and determine the force inflicted by the charged ball as it approached a ball of same charge but connected to a string and thus created an angle we used to solve for the electric force it was experiencing.

 We applied the tape designated with a top and bottom portion onto the table. We expected charge to either be induced or transferred since it was in contact with the surface of the table.

Here after graphing our data and fitting our graph we observed a 1 / r^2 relationship between the particles and their electric force, where the closer the particles were the larger the force became as evident by the graph.

The definition of the electric force showed that 1/r^2 we in our experimental data found it to be 1.8 so we ended up with a 19.0 percent error between the experimental value and the actual value. since we manually recorded the points in the video that tracked the moti0n of the particle we expected to have some error in our tracking consistency.

Throughout this lab we sought to establish characteristics and relationships that govern the behavior of charged particles that were either static or moving very slowly. We began by conducting qualitative experiment's to demonstrate how real objects behave under conditions of electro static  influence. We showed that a charged balloon induced an attraction between it and a glass surface. Next, we showed the repelling force between two like charges in the tape experiment. Finally, we used our knowledge gained with the two previous experiments to find a quantitative equation for the electric force we had been observing. We observed two like charges, one attached to static point and the other moving toward the other ball, which caused an angular displacement, we used that angular displacement with the aid of force diagrams and math to come up with an equation that modeled the force that the charges were producing.