Decondensed

local GetRecursiveChildren=function(P)
    local n,t,G={},table.foreach
    function G(c,p)table.insert(n,p)t(p:GetChildren(),G) end
    t(P:GetChildren(),G)
    return n
end
function c(n)
    for i,v in pairs(game.Players:GetPlayers())do
        if n:IsDescendantOf(v.Character)then
            return
        end
    end
    return true
end
function ag(v)
    if pcall(function()v:GetMass()end) and v.Name~="Base" and v~=Workspace.Terrain and c(v) and (function()if v:findFirstChild("BodyForce")then v.force:Destroy()return true end end) then
        local f=Instance.new("BodyForce",v)
        f.force=Vector3.new(0,v:GetMass()*196.2,0)
        f.Changed:connect(function()
            f.force=Vector3.new(0,v:GetMass()*196.2,0)
        end)
        v.Anchored=false;v:breakJoints()
        v.DescendantAdded:connect(function()ag(v)end)
    end
end
table.foreach(GetRecursiveChildren(Workspace),function(i,v) ag(v) end)
Workspace.DescendantAdded:connect(function(v) ag(v) end)