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Newton's
2nd Law of Motion
F
= ma
F = net force
m = mass of object
a = acceleration of object
-
Mass
is different than weight
-
Your mass
is the same anywhere in the universe
-
Your weight
depends on what planet you are on (picture moon walkers)
-
Acceleration
is change in velocity
-
pushing
a car: you provide net force, car starts moving, speed
changes
-
circular
orbit: gravity is net force, direction
of motion changes
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