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Forces (Energy (Potential Energy (energy stored (results to (position/…
Forces 
Newton's First Law
state of an object
doesn't change
the net force = 0
Example
man pushing a huge boulder
Inertia
resists change in motion - a car crashing
Unbalanced Force
object
rest remains at rest
in motion remains in motion
Example - Water Rocket
before release
object = rest
after release
thrust
acceleration
Newton's Second Law
Acceleration = Net Force/ Mass
Unbalanced Force
Velocity = Change
object accelerates
-
Example - Water Rocket
more mass
more force to accelerate
Newton's Third Law
Every action
equal & opposite reaction
Example
A person jumping
-
Work
force applied
to an object
moves object
formula
W = Fd
Energy
energy formula
E = mc^2
heat and work
transferred
one to another
Potential Energy
formula- (PE) = mgh
energy stored
results to
position/ shape
Kinetic Energy
energy of moving object
depends on
mass and speed
Mechanical Energy
associated with
motion
position of an object