1 point of Adaptive Force provides 0.6 bonus AD or 1 AP.
If the attack damage and the ability power of the unit are equal, the stat granted depends on the champion.
In most cases, the League of Legends Wiki omits adaptive force in favor of displaying the amount of AD or AP granted.
Attack damage and ability power granted by passive effects do not contribute towards determining whether attack damage or ability power is gained by adaptive force. For instance, if has 100 stacks of and 10 stacks of , his adaptive force will be gained as ability power. However, if he purchases an item that grants attack damage as a stat, such as , then his adaptive force will be gained as attack damage despite having a higher value of ability power.
Sources of adaptive force bonuses
A similar effect can be found on:
Adaptive Damage: Deals either physical or magic damage depending on your bonus statistics, defaulting based on the origin of the effect.
If the attack damage and the ability power of the unit are equal, the damage determined depends on the champion.
Sources of adaptive damage