@Hamed said in Impulse output:

NaN means not a number like @Aidan-Oxley says.

I've built a newtons cradle, just make sure to set no air resistance so there is no energy lost and set bounciness to a number on each ball.

I believe the units of measurement is Newton seconds.

If you set air resistance to 0, that will make the Newton's cradle a perpetual motion machine, right @Hamed?

@iTap-Development, I think that happens naturally.

@iTap-Development, what do you mean by objects A and B? :interrobang: