A certain man
needed 400N of force to pull
a load through a distance
150cm in 8s Calculate
1) the
work done by the man
2)the power developed by the man

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.

It’s a because it says during exercise so they are doing a athletic activity