Friday, July 30, 2010

What are the relationships of velocity and mass, radius, and force in physics?

okay I was doing a lab today and I totally don't get what was going on. we spun things...What are the relationships of velocity and mass, radius, and force in physics?
Their are many different ways to relate these 4 properties in physics, but it seems that you are probobly thinking of angular momentum. For you people who don't like to read angular momentum= mvr or L=mrv





1.) You should know that linear momentum (normal omentum)


is found by the relation P=mv, that is momentum= mass times velocity.





2.) Angular momentum is very similar with the exception that


instead of traveling in a line, it travels along a curve or


in a circular path. (remember that most curves can be arcs


of circles, just incomplete).





2.) The formula for angular momentum is: L=rmv, in other


words, angular momentum= the length of the radius of


the circle about which the object is traveling times the


mass of the object times the velocity the object is moving.What are the relationships of velocity and mass, radius, and force in physics?
F = Ma





In circular motion (when you ';spun things';),


A = V^2 / r





so F = M(V^2 / R)
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