Can someone help me with these three questions that are shown

1. You can put basketball then add this

The overload principle is weighing down the body. So that once you take that weight off it's increased the overall amount of strength. And the power that each athlete.

Explanation:

2. Overload. Overload, the second important principle, means that to improve any aspect of physical fitness the individual must continually increase the demands placed on the appropriate body systems. For example, to develop strength, progressively heavier objects must be lifted.