CHEM 112 Chapter Notes -Electric Field, Test Particle, Opata Language
Document Summary
As you might remember from physics nya, gravitational force f on an object of mass m1 can be expressed as. 1. 2 on the surface of the earth (i. e. let m=mass of the earth and r=radius of the earth) you will get the familiar g = 9. 81 m/s2. 1. 2 we get another familiar formula that you have used to calculate the gravitational attraction between two bodies: The relationships between electric forces and eld strength are very sim- ilar to above. However, instead of mass m1 and m2 that always attract each other, you can have two types of electrical charges: positive or negative. Negativity and positivity are just a convention; there is nothing negative or positive about either. Keeping this in mind, we need the following changes to the formulas above: Winter 2012: change the constant g to another constant ( 1.
