For every action, there is an equal and opposite reaction.
A fireman turns on his hose & is knocked backwards
If air is let out of a balloon quickly, air pushes down & balloon goes up
2nd Law
F=MxA
Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).
Push a large box & a small box with the same force, the small box will go faster
You have to push a heavy ball harder to get it to move as fast as a small one
1st Law
Subtopic
Also referred as Inertia.
If an object is not moving
or moving at a constant speed,
the object will stay the way until
something moves or stops the
object.
A soccer ball will not move until a player kicks it
seatbelt stops you from hitting the windshield if you hit the brakes quickly
