Newtons Concept Examples Flashcards
1
Q
A person’s body is thrown outward as a car rounds a curve on the highway
A
1st Law;
Force on car cause it to turn no force on person so they keep moving forward (no change in velocity).
2
Q
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to Regina in continuous motion even when the car stops.
A
1st Law;
Force on car causes it to stop but no force on person so they keep moving (velocity no change)
3
Q
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
A
2nd law (F = ma);
Child has less mass> less force needed to get same acceleration when pushing adult.
