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Questions and Answers
What is one important use of the knowledge about two-dimensional motion mentioned in the text?
What is one important use of the knowledge about two-dimensional motion mentioned in the text?
- Firing projectiles of war (correct)
- Navigating ships at sea
- Building skyscrapers
- Growing crops
What happens when you drop a coin from the top of a ladder?
What happens when you drop a coin from the top of a ladder?
- It floats in mid-air
- It lands at the base of the ladder (correct)
- It disappears into thin air
- It lands on the roof of a nearby building
How did Aristotle and Galileo differ in their ideas about falling objects and the motion of the earth?
How did Aristotle and Galileo differ in their ideas about falling objects and the motion of the earth?
- Aristotle concluded that the earth was stationary, while Galileo believed in the earth's motion. (correct)
- Aristotle argued that objects would fall into the sea from a ship, while Galileo argued they would land on the ship.
- Aristotle thought that falling objects would land far away, while Galileo believed they would land close by.
- Aristotle believed objects fall straight down due to gravity, while Galileo believed they follow curved paths.
What is the significance of knowing about vectors in two-dimensional motion?
What is the significance of knowing about vectors in two-dimensional motion?
Why did Aristotle use the example of dropping an object from a ship's mast to argue against the earth's motion?
Why did Aristotle use the example of dropping an object from a ship's mast to argue against the earth's motion?
How did Galileo explain why an object dropped from a ship's mast would land at the base of the mast?
How did Galileo explain why an object dropped from a ship's mast would land at the base of the mast?
What was the main difficulty that people faced when studying projectile motion?
What was the main difficulty that people faced when studying projectile motion?
What was the traditional belief regarding a projectile's motion in the sixteenth century?
What was the traditional belief regarding a projectile's motion in the sixteenth century?
How did Galileo propose to explain the motion of a projectile?
How did Galileo propose to explain the motion of a projectile?
What term refers to the path followed by a projectile, as described in the text?
What term refers to the path followed by a projectile, as described in the text?
Why did people in history deny the simultaneous motions of a projectile?
Why did people in history deny the simultaneous motions of a projectile?
What was the key difference between the traditional belief and Galileo's hypothesis about projectile motion?
What was the key difference between the traditional belief and Galileo's hypothesis about projectile motion?