If Spiderman starts wrapping everyone up with his webs every time he fights crime because he wants to improve his web accuracy, he is focusing on which training principle?

Wolverine had to push two mutant criminals out of the way of a train they were trying to stop. He first pushed Lady Deathstrike who was easy to move due to being small. He struggled to push the Blob due to his excessive mass. He had to increase the amount of force he was using. This problem for Wolverine related to which of newton's laws?

_______ works with overload to to continually increase the need for your muscles to adapt and grow.