[ODE] Units confusion

Aras Pranckevicius nearaz at gmail.com
Wed May 18 16:09:20 MST 2005


> That's exactly what I thought, but apparently its not working that way.
> I want to express mass in kg, distance in meters and time in seconds
> (and hence force in Newtons). So, just for testing I added an object of
> mass 50kg (0 friction coefficient). My timestep is 0.016 seconds. I want
> to accelerate this object by 300 m/s/s. So F = ma tells me that I should
> apply a force of 50 * 300 on that object, right? But the object doesn't
> even move although the friction coefficient is 0.

Are you sure everything else is set up correctly? Do you observe the
same situation when you use different geoms? How do you "apply a
force"?

-- 
Aras 'NeARAZ' Pranckevicius
http://nesnausk.org/nearaz | http://nearaz.blogspot.com



More information about the ODE mailing list