Newton's second law deals with mass and force as it relates to acceleration. Acceleration down the hill is the main part of skiing, which skiers can affect by changing their mass or the force they use to push themselves down the hill.
F=ma Input: newtons second law at wolframalpha.com
You fall as hard as you jumped when you don't stick the landing.
The law doesn't affect gravity; it describes it.
It affects sky divers because the closer you are to the ground the faster you go.
No
Its a matter of being scientifically rigorous. You can not claim the 2nd law as a law unless you first establish the first law.
The operation o seat belt safety is based on Newton's Second Law. Acceleration engages the seat belt safety action.
acceleration
its not importsnt
This is because two concepts are derived from the newtons second law. First : Force . F = m * a Second : momentum .. p = m * v
the second law
The clue is in the question.