How do you use Newton's second law of motion in everyday life?

I can't seem to figure out what in everyday life is Newton's second law of motion. Any suggestions?

running, driving car.

Sports, table pool, golf....

here, check out this link, i think it will help:

http://www.usoe.k12.ut.us/CURR/SCIENCE/sciber00/8th/forces/sciber/newton2.htm