AddCentralForce
From MaratisWiki
Add a force than an object. Make sure Physics and the mass of the object is enabled in the object proprieties, otherwise it won't move.
Example 1 : Simple usage
object = getObject("object")
function onSceneUpdate()
addCentralForce(object, {1, 0, 0}, "local")
end
Example 2 : Use a variable to determinate the force
object = getObject("object")
power = 1
function onSceneUpdate()
addCentralForce(object, {power, 0, 0}, "local")
end