Podcast
Questions and Answers
According to Galileo, inertia is a what?
According to Galileo, inertia is a what?
property of all matter
Galileo's use of inclined planes allowed him to effectively do what?
Galileo's use of inclined planes allowed him to effectively do what?
slow down the ball's changes in speed
A space probe flying in remote space continues traveling even if no force acts on it. True or false?
A space probe flying in remote space continues traveling even if no force acts on it. True or false?
True (A)
A hockey puck slides along an icy pond. Without any kind of friction, the force needed to sustain sliding is what?
A hockey puck slides along an icy pond. Without any kind of friction, the force needed to sustain sliding is what?
What is the net force on a box of chocolates when pushed across a table with a horizontal force of 10 N while friction between it and the surface is 6 N?
What is the net force on a box of chocolates when pushed across a table with a horizontal force of 10 N while friction between it and the surface is 6 N?
The sum of the forces that act on any object moving at constant velocity is what?
The sum of the forces that act on any object moving at constant velocity is what?
The equilibrium sum of forces = 0 rule applies to:
The equilibrium sum of forces = 0 rule applies to:
The tensions in each of the two supporting ropes that support Burl and Paul on opposite ends of a scaffold depend on what?
The tensions in each of the two supporting ropes that support Burl and Paul on opposite ends of a scaffold depend on what?
A man weighing 800 N stands at rest on two bathroom scales so that one scale shows a reading of 500 N. The reading on the other scale is?
A man weighing 800 N stands at rest on two bathroom scales so that one scale shows a reading of 500 N. The reading on the other scale is?
If you leap straight up inside a high-speed train while it gains speed, you land exactly on your original position. True or false?
If you leap straight up inside a high-speed train while it gains speed, you land exactly on your original position. True or false?
The main thrust of equations in this textbook is to serve as what?
The main thrust of equations in this textbook is to serve as what?
The classic scientific method includes:
The classic scientific method includes:
If the pillar in Alexandria were taller and the well in Syene were deeper, how would Eratosthenes's calculation of Earth's size be affected?
If the pillar in Alexandria were taller and the well in Syene were deeper, how would Eratosthenes's calculation of Earth's size be affected?
If in the dime-Moon experiment you used a larger coin than a dime, your distance from the taped coin would be what?
If in the dime-Moon experiment you used a larger coin than a dime, your distance from the taped coin would be what?
Beneath a sunlit tree are pinhole images of the Sun. If the tree that cast the images is taller, then the images of the Sun are what?
Beneath a sunlit tree are pinhole images of the Sun. If the tree that cast the images is taller, then the images of the Sun are what?
If the diameter of the solar image cast by a pinhole is the same as the diameter of a particular coin, and 110 coins would fit between the image and the pinhole, the Sun must be?
If the diameter of the solar image cast by a pinhole is the same as the diameter of a particular coin, and 110 coins would fit between the image and the pinhole, the Sun must be?
Which of these is a scientific hypothesis?
Which of these is a scientific hypothesis?
Which of these is a scientific statement?
Which of these is a scientific statement?
Reasonable statements that are not testable may lie within the domain of science. True or false?
Reasonable statements that are not testable may lie within the domain of science. True or false?
Science, art, and religion need not contradict one another because:
Science, art, and religion need not contradict one another because:
Flashcards
Inertia (Galileo's view)
Inertia (Galileo's view)
Property of all matter to resist changes in its state of motion.
Galileo's Inclined Planes
Galileo's Inclined Planes
Slow down changes in speed to observe motion more accurately.
Space Probe Motion
Space Probe Motion
Continues traveling at constant velocity due to inertia.
Force to Sustain Sliding (No Friction)
Force to Sustain Sliding (No Friction)
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Net Force on a Box
Net Force on a Box
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Net Force at Constant Velocity
Net Force at Constant Velocity
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Equilibrium Rule Applicability
Equilibrium Rule Applicability
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Tension in Supporting Ropes
Tension in Supporting Ropes
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Scale Reading (Two Scales)
Scale Reading (Two Scales)
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Leaping in a Speeding Train
Leaping in a Speeding Train
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Main Thrust of Textbook Equations
Main Thrust of Textbook Equations
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Classic Scientific Method
Classic Scientific Method
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Alexandria and Syene Scenario
Alexandria and Syene Scenario
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Dime-moon experiment (larger coin)
Dime-moon experiment (larger coin)
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Sunlit tree and pinhole images
Sunlit tree and pinhole images
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Sun Distance Calculation
Sun Distance Calculation
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Scientific Hypothesis
Scientific Hypothesis
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Scientific Statement
Scientific Statement
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Non-testable Statements
Non-testable Statements
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Science, Art, and Religion
Science, Art, and Religion
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Study Notes
- According to Galileo, inertia is a property of all matter.
- Galileo's use of inclined planes effectively slowed down the ball's changes in speed.
- A space probe continues traveling in remote space even if no force acts on it.
- Without friction, the force needed to sustain sliding of a hockey puck on ice is none.
- When pushing a box of chocolates across a table with 10 N of force and 6 N of friction, the net force is 4 N.
- The sum of forces acting on an object moving at constant velocity is zero.
- The equilibrium rule (sum of forces = 0) applies to objects at rest and objects moving at constant velocity.
- The tensions in supporting ropes depend on the relative weights of the supported entities
- A man weighing 800 N stands at rest on two bathroom scales so that one scale shows a reading of 500 N. The reading on the other scale is 300 N.
- If you leap straight up inside a high-speed train while it gains speed, you land slightly behind your original position.
- Equations in the textbook are guides to thinking.
- The classic scientific method includes observation, question, prediction, test, and conclusion.
- Eratosthenes's calculation of Earth's size would remain the same.
- In the dime-Moon experiment, a larger coin requires a farther distance from the taped coin.
- Taller trees casting pinhole images of the Sun beneath them result in larger images of the Sun.
- If the diameter of a solar image cast by a pinhole equals the diameter of a coin, and 110 coins fit between the image and pinhole, the Sun is 110 Sun diameters from Earth.
- "The dumpster in your back alley is filled with garbage" is a scientific hypothesis.
- "Candied walnuts contain no sugar" is a scientific statement.
- Reasonable statements that are not testable lie outside the domain of science.
- Science, art, and religion need not contradict each other because they involve different domains.
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Description
Explore Galileo's concept of inertia as a fundamental property of matter. Understand how forces, friction, and equilibrium affect motion, including scenarios with constant velocity and tensions in supporting ropes. Investigate net force with calculations and real-world examples.
