public void TestElectromagnetism()
{
var particleOne = new Sphere().SetCharge(new Coulomb(1));
var particleTwo = new Sphere().SetCharge(new Coulomb(1)).SetCoordinates(PhysicalCoordinate<Meter>.Create(0,0,1));
Newton forceBetween = Electromagnetism.ForceBetween(particleOne, particleTwo);
Assert.AreEqual(8987551787.3681755, forceBetween.Value);
}
public void TestGravitation()
{
var earth = new Sphere(new Meter(6378100), new Kilogram(5.98 * (Math.Pow(10, 24))));
earth.SetCoordinates(PhysicalCoordinate<Meter>.Create(0, 0, 6378100));
var shaneOnGround = new Sphere(new Centimeter(85), new Kilogram(79.37));
var shaneAtWork = new Sphere(new Centimeter(85), new Kilogram(79.37));
shaneAtWork.SetCoordinates(PhysicalCoordinate<Meter>.Create(0, 0, -20));
var shaneOnPlane = new Sphere(new Centimeter(85), new Kilogram(79.37));
shaneOnPlane.SetCoordinates(PhysicalCoordinate<Meter>.Create(0, 0, -11277.6));
var halfwayToMoon = new Sphere(new Centimeter(85), new Kilogram(79.37));
halfwayToMoon.SetCoordinates(PhysicalCoordinate<Meter>.Create(0, 0, -192201500));
var forceOnGround = Gravitation.GravityBetween(shaneOnGround, earth);
var forceAtWork = Gravitation.GravityBetween(shaneAtWork, earth);
Assert.Less(forceAtWork.Value, forceOnGround.Value);
var forceOnPlane = Gravitation.GravityBetween(shaneOnPlane, earth);
Assert.Less(forceOnPlane.Value, forceAtWork.Value);
var forceHalfwayToMoon = Gravitation.GravityBetween(halfwayToMoon, earth);
Assert.Less(forceHalfwayToMoon.Value, forceOnPlane.Value);
}
public void SphereTests()
{
var sphere = new Sphere(new Meter(1));
var volume = sphere.GetVolume<Meter>();
Assert.AreEqual(4/3*Math.PI, volume.Value); // 4/3 * pi * r^2
sphere.SetRadius(new Meter(5));
Assert.AreEqual(4/3*Math.PI*Math.Pow(sphere.GetRadius<Meter>().Value,3), sphere.GetVolume<Meter>().Value);
sphere.SetMass(new Kilogram(50));
Assert.AreEqual(50000, sphere.GetMass<Gram>().Value);
}
