These two effects should cancel each other out, if the two reductions occur more or less simultaneously.
According to Newton's second law, these two effects will exactly cancel each other, so the acceleration will be the same in all cases.
Two or more queens are played, the effect of the second cancels the first.
The two effects, in general, do not exactly cancel.
In other words, the two effects just about cancel.
It is not enough, however, to argue that these two effects simply cancel one another out and we can therefore forget about them.
The study concludes that these varied effects will more or less cancel each other.
Their combined effects on potassium cancel each other out.
The effects may exactly cancel, but that depends on specifically how much rolling friction your ball encounters on the ramp.
Some say these two opposite effects fully cancel, some say this is only partial.