According to the ancient Greeks, what shape constituted "perfection"? triangle false square false circle true hexagon false Single What is the path traced by the natural motion of celestial objects according to Aristotle? up false down false straight lines false circles true Single What is needed to sustain violent motion according to Aristotle's classifications of motion? fire false The Prime Mover false external forces true sunlight false Single Retrieving data. Wait a few seconds and try to cut or copy again. Pyrrho of Elis false Zeno of Elea true Diogenes of Sinope false Protagoras of Abdera false Single According to Aristotle and later medieval European scholars, what mechanism enables a projectile to continue moving through the air? dunamis false impetus true alloiosis false aitia false Single In what locality in Italy was Galileo Galilei born? Milan false Pisa true Florence false Rome false Single Galileo conducted one of his series of famous experiments on top of the Leaning Tower of Pisa. How many floors or storeys does the Leaning Tower of Pisa have? 6 false 7 false 8 true 12 false Single What year was Galileo forced by the Catholic Inquisition to retract his statements on the factuality of Copernicus' model of the universe? 1616 false 1630 false 1633 true 1642 false Single For an object at rest to begin sliding along an incline, what must be overcome? static friction true kinetic friction false the object's weight false the pull of Earth's gravity false Single Along what direction would an object continue to move if it rolls along a flat, frictionless floor inside an infinitely large vacuum chamber? zigzag path false upward path false circular path false straight line true Single