[ODE] problem with adding forces

[Martin C. Martin]

F = m a

- Martin

lazareer wrote:
> 
> Wednesday, August 6, 2003, 10:11:08 PM, lazareer wrote:
> 
> l>> I am new on this list, and maybe my question is silly and
> l>> the answer is obvious but I will ask it anyway:
> l>> I've  got  problem  when  I add force to the body (dBodyAddForce). The
> l>> force  is  added  (dBodyGetForce returs correct vector)but it takes no
> l>> effects  in  the  simulation  step.  If  there  is no gravity the body
> l>> doesn't move. Why? has someone any explanation? maybe someone had such
> l>> a problem?
> l>> Thanks for any ideas!
> 
> ok I've found the reason of my problem - force vector was too small to
> make effect, but I've got another question due to this: what are your
> experiences of using forces? do you really have to put force vector
> like: (10000,0,0) to see anything moving? What are the units of force
> vectors?
> 
> lazareer
> 
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