Wednesday, March 19, 2014

Day 8

Interaction between Scotch Tape
 
In this experiment we wanted to test the electric charges between two pieces of scotch tape.

In the above picture we answer the questions in the lab manual.

The Electric Force Law Video Analysis
 
In this laboratory experiment we wanted to analyze a video in which two electrically charged balls and how they interact as they approach each other.


Since we know that there will be some force repelling one another, we are able to show our calculation for force relating mass,gravity, length of the string and displacement from equilibrium of the ball attached as it is repelled by the other moving ball.

 
The above picture shows that there is a power relationship between the electric force of the ball and the displacement between both balls.  Thus, the graph shows that as the displacement between the balls get smaller then the electric force gets greater, on the other hand, as the displacement gets bigger than the electric force gets smaller.


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