Photo Album by Robert MacKay
The Movers in Physics Aristotle BC Copernicus (De Revolutionibus) Galileo ( ) Newton ( ) Einstein ( )
Law of inertia (Newtons1st Law) Every object continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by forces impressed upon it. acceleration = 0.0 unless the objected is acted on by unbalanced forces
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Same painter and plank (800N and 200N) 830 N
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Same painter and plank (800N and 200N) 100 N
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