Newton’s First Law of Motion – The Law of Inertia. Conceptual Physical Science Chapter 2. Aristotle’s Classification of Motion. Greek scientist (Born 384 BCE) Classified motion into two categories Natural motion Unnatural motion Natural motion occurs without force.
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Conceptual Physical Science
A ball rolling on a pool table slowly comes to a stop.
What two main ideas of Aristotle did Galileo discredit?
What is the name of the property of objects to maintain their states of motion?
Approximate speeds in different units
12 mph = 20 km/h = 6 m/s (bowling ball)
25 mph = 40 km/h = 11 m/s (super sprinter)
37 mph = 60 km/h = 17 m/s (sprinting rabbit)
50 mph = 80 km/h = 22 m/s (tsunami)
62 mph = 100 km/h = 28 m/s (cheetah)
75 mph = 120 km/h = 33 m/s (batted softball)
100 mph = 160 km/h = 44 m/s (batted baseball)
Fnet = 0 N
Am I moving or standing still?
Humankind struggled for nearly 2000 years in developing the ideas of this section. You should be patient with yourself if it takes a few days or weeks to achieve as much!
“Thinking” by Broken Persona