Download Newton`s Laws of Motion: Main Idea Supporting Details Galileo One

Newton's Laws of Motion:
Main Idea
Galileo
Supporting Details
One of the first to understand that a force does not need to be constantly
applied to an object to keep it moving
Isaac
Newton
Used Galileo's research and publishings to better understand the motion of
objects
Newton's
First Law:
An object at rest stays at rest, an object in motion stays in motion unless acted
on by an outside unbalanced force.
Every day we see moving objects come to a stop.
The reason they stop rolling is due to gravity and friction (outside forces) acting
on them
Inertia:
an object's ability to resist a change in motion.
The more inertia, the more force needed to change the motion.
The more mass, the more inertia an object has.
Momentum
a measure of an object's inertia
Momentum is a measure of the object's motion and its mass.
Momentum = mass x velocity
Remember, velocity is often called speed
P=mxV
The more momentum an object has, the greater the inertia
Newton's
Second Law
Connects force, acceleration, and mass
If you push an object, it will move in the direction you push it.
The harder you push the object, the faster it will move.
Force = Mass x Acceleration
Force is measured in Newtons
F
M A
Newton's Third Law
Forces always act in equal but opposite pairs
For every action, there is an equal but opposite reaction.
•
When a force is put on an object, the second object puts the same size
force on the first object
If you push the wall, the wall pushes back on you
Newton's Law of
Universal Gravitation
The larger the objects, the stronger the pull of gravity
The closer the distance between the objects, the stronger pull of gravity