How to calculate the force required to move a player X amount?

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#1

I’m improving my jump pad code and I am trying to calculate the force required to move the player X amount. Here’s the relevant code:

	-- Compute the jump vector from the target position.
	if jumpVector == nil then
		local pos = ident:GetPivot().Position
		jumpDist = (targetPos - pos).Magnitude
		local cframe = CFrame.new(pos, targetPos) * CFrame.Angles(math.rad(30), 0, 0)
		local dir = cframe.LookVector
		jumpVector = Vector3.new(
			dir.X * jumpDist * 25,
			dir.Y * jumpDist * 10,
			dir.Z * jumpDist * 25
		)
	end

The issue is that depending on where the target position is, I end up with too little or too much force. The coefficients were determined empirically, but that’s only for one scenario. When I changed the scenario (the target position), I way overshot the target. I figure this is going to be a sliding scale of some sort, but at this point I am at a loss.