Podcast
Questions and Answers
Which of the following statements about temperature is accurate?
Which of the following statements about temperature is accurate?
- Temperature reflects the average kinetic energy of a system. (correct)
- Temperature can only be measured in Celsius.
- Temperature is an indication of the amount of heat energy present.
- Temperature does not vary based on the medium.
What is the formula for calculating power?
What is the formula for calculating power?
- P = W / t (correct)
- P = F x d
- P = KE / PE
- P = m x g x h
What process occurs when a solid transitions directly to a gas?
What process occurs when a solid transitions directly to a gas?
- Sublimation (correct)
- Condensation
- Melting
- Deposition
Which of the following correctly expresses the formula for kinetic energy?
Which of the following correctly expresses the formula for kinetic energy?
Which scientist is known for originating quantum theory?
Which scientist is known for originating quantum theory?
In what scenario is potential energy at its maximum?
In what scenario is potential energy at its maximum?
During which process does a gas transition to a liquid state?
During which process does a gas transition to a liquid state?
What defines the amplitude of a wave?
What defines the amplitude of a wave?
What is thermal expansion?
What is thermal expansion?
Which of the following statements about sound is true?
Which of the following statements about sound is true?
What type of force is exerted by gravity?
What type of force is exerted by gravity?
The law of conservation of energy states that energy can be?
The law of conservation of energy states that energy can be?
According to Newton's 1st Law of Motion, what will happen to a body at rest?
According to Newton's 1st Law of Motion, what will happen to a body at rest?
In which type of wave do particles move parallel to the direction of wave propagation?
In which type of wave do particles move parallel to the direction of wave propagation?
What is the formula relating force, mass, and acceleration in the 2nd law of motion?
What is the formula relating force, mass, and acceleration in the 2nd law of motion?
Which of the following best describes rarefaction in a wave?
Which of the following best describes rarefaction in a wave?
What does the term 'centripetal force' refer to?
What does the term 'centripetal force' refer to?
Which of the following states that for every action, there is an equal and opposite reaction?
Which of the following states that for every action, there is an equal and opposite reaction?
What does displacement represent in motion?
What does displacement represent in motion?
How is centripetal acceleration defined mathematically?
How is centripetal acceleration defined mathematically?
Which scientist developed the laws of planetary motion?
Which scientist developed the laws of planetary motion?
What type of instrument is the Palendag?
What type of instrument is the Palendag?
Which of the following instruments is characterized by being composed of five to nine small gongs?
Which of the following instruments is characterized by being composed of five to nine small gongs?
What is the equation to calculate the speed of sound based on temperature?
What is the equation to calculate the speed of sound based on temperature?
Who demonstrated that the speed of sound increases with temperature in 1740?
Who demonstrated that the speed of sound increases with temperature in 1740?
Which property refers to the bouncing back of waves?
Which property refers to the bouncing back of waves?
What is defined as the bending of light when it passes through different media?
What is defined as the bending of light when it passes through different media?
Which of the following best describes visible light?
Which of the following best describes visible light?
What does the Palipal instrument represent in the Maranao culture?
What does the Palipal instrument represent in the Maranao culture?
Flashcards
Force
Force
A push or pull that can cause a change in an object's motion.
Newton's 1st Law
Newton's 1st Law
An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newton's 2nd Law
Newton's 2nd Law
The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. (F = ma)
Newton's 3rd Law
Newton's 3rd Law
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Uniform Circular Motion
Uniform Circular Motion
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Centripetal Force
Centripetal Force
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Displacement
Displacement
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Period
Period
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Power
Power
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Work
Work
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Potential Energy
Potential Energy
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Kinetic Energy
Kinetic Energy
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Law of Conservation of Energy
Law of Conservation of Energy
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Sound Pitch
Sound Pitch
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Mechanical Wave
Mechanical Wave
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Electromagnetic Wave
Electromagnetic Wave
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Kulintang
Kulintang
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Palendag
Palendag
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Speed of Sound Formula
Speed of Sound Formula
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Light as an EM wave
Light as an EM wave
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Reflection of waves
Reflection of waves
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Refraction
Refraction
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Visible light
Visible light
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Alexander Graham Bell
Alexander Graham Bell
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Thermal Equilibrium
Thermal Equilibrium
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Melting
Melting
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Evaporation
Evaporation
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Temperature
Temperature
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Thermal Expansion
Thermal Expansion
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Study Notes
Chapter 1: Resisting Change
- Force: Any push or pull, six types
- Applied force: Force applied through pushing or pulling
- Gravitational force: Force exerted by gravity
- Normal force: Perpendicular to the surface an object is in contact with
- Elastic force: Present in springs
- Tension force: Present in cables or cords
- Frictional force: Impedes motion
- Isaac Newton: Born December 25, 1642
- Developed three laws of motion
- Developed the law of universal gravitation
- Made contributions to infinitesimal calculus
- 1st Law of Motion (Inertia): A body at rest stays at rest unless acted on by a net external force.
- Inertia: Tendency of a body to resist changes in motion
Chapter 1: Embracing Change
-
2nd Law of Motion (Acceleration): Acceleration is directly proportional to force and inversely proportional to mass (F=ma)
- F: Net external force in Newtons (N)
- m: Mass in kilograms (kg)
- a: Acceleration in meters per second squared (m/s^2)
-
3rd Law of Motion (Action-Reaction): For every action, there is an equal and opposite reaction.
Chapter 2: Work, Work, and Away!
- Displacement: Distance from a starting point.
- Power: Rate of doing work (P=W/t)
- P: Power (in watts)
- W: Work (in Joules)
- t: Time (in seconds)
- Work: Product of force and displacement in the direction of the force (W=Fd)
- W: Work (in Joules)
- F: Force (in Newtons)
- d: Displacement (in meters)
Chapter 2: Constantly Round and Round
- Uniform circular motion: Motion in a circular path at a constant speed.
- Centripetal force: Center-seeking force in circular motion, towards the center.
- Centripetal acceleration: Force directed toward the center of a circular path
- a= v²/r
- a: Centripetal acceleration
- v: Velocity
- r: Radius
- a= v²/r
- Johannes Kepler: Developed three laws of planetary motion
- 1: Planets orbit the sun in elliptical paths with the sun at a focus
- 2: A line joining a planet and the sun sweeps out equal areas during equal intervals of time.
- 3: The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.
Chapter 3: Nature of Sound
-
Sound: Produced by vibrations
-
Properties of sound:
- Pitch: Perception of sound frequency
- Amplitude/Loudness: Energy of vibrations
- Speed: How quickly sound moves through a medium
- Reflection: Sound bouncing off a surface
- Timbre: Distinguishing different sounds of the same frequency
-
Waves: Any disturbance that carries energy from one place to another
-
Mechanical waves: Need a medium for transmission
-
Electromagnetic waves: Do not require a medium
Chapter 3: Energy for You and Me
- Energy: Ability to do work
- Potential energy (PE): Energy possessed due to position (PE = mgh)
- m: Mass
- g: Acceleration due to gravity
- h: Height
- Kinetic energy (KE): Energy of motion (KE = 1/2mv²)
- m: Mass
- v: Velocity
Chapter 4: What is Light?
- Light: Electromagnetic wave traveling without a medium.
- Properties of light:
- Reflection: Light bounces off a surface
- Refraction: Light bends when passing through different media
- Diffraction: Light bends when passing through a gap
- Polarization: Light vibrating in a specific direction
Chapter 4: Length of That Color
- Visible light: Frequency range detectable by the human eye.
- Electromagnetic waves: Various types, ranging from radio waves to gamma rays, each with different frequencies and wavelengths.
Chapter 5: It's Getting Hot in Here
- Temperature: Average kinetic energy of a system
- Measured using Celsius, Fahrenheit, Kelvin, or Rankine scales
- Heat: Energy in transit
- Thermal equilibrium: Balance of heat transfer between objects when they reach equal temperatures.
- Anders Celsius: Invented the temperature scale (which became known as the centigrade scale).
Chapter 5: Effects of Heat
-
Phase changes: Processes of a substance changing from one phase to another, absorbing or releasing heat throughout this process
- Melting: Solid to Liquid
- Evaporation: Liquid to Gas
- Condensation: Gas to Liquid
- Freezing: Liquid to Solid
- Sublimation: Solid to Gas
- Deposition: Gas to Solid
-
Thermal expansion: Tendency of a material to increase in size when heated.
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Description
Explore the fundamental concepts from Chapter 1 on forces and motion. This quiz covers various types of forces, Isaac Newton's contributions, and the laws of motion, including inertia and acceleration. Test your understanding of these crucial topics in physics.
