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Questions and Answers
What branch of physics studies the behavior of matter and energy at the atomic and subatomic level?
What is the ability to do work?
What is Newton's First Law of Motion?
What is the study of heat, temperature, and energy transfer?
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What is anything that has mass and occupies space?
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What is the study of electricity, magnetism, and electromagnetic waves?
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What is a push or pull that causes an object to change its motion?
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What branch of physics studies the behavior of light, vision, and optical instruments?
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What is the study of space and time, including special and general relativity?
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Study Notes
Branches of Physics
- Mechanics: Study of motion, force, energy, and matter
- Thermodynamics: Study of heat, temperature, and energy transfer
- Electromagnetism: Study of electricity, magnetism, and electromagnetic waves
- Optics: Study of light, vision, and optical instruments
- Quantum Mechanics: Study of behavior of matter and energy at atomic and subatomic level
- Relativity: Study of space and time, including special and general relativity
Key Concepts
- Matter: Anything that has mass and occupies space
- Energy: Ability to do work, comes in various forms (kinetic, potential, thermal, etc.)
- Force: Push or pull that causes an object to change its motion
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Newton's Laws:
- Inertia: Object at rest stays at rest, object in motion stays in motion
- Force and acceleration: Force applied to an object is equal to its mass times its acceleration
- Action and reaction: Every action has an equal and opposite reaction
Measurement and Units
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SI Units:
- Meter (m) for length
- Kilogram (kg) for mass
- Second (s) for time
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Physical Quantities:
- Speed: distance per unit time
- Velocity: speed in a specific direction
- Acceleration: rate of change of velocity
- Momentum: product of mass and velocity
Important Physicists
- Isaac Newton: Developed laws of motion and universal gravitation
- Albert Einstein: Developed theory of relativity and famous equation E=mc²
- Marie Curie: Discovered radioactive elements and pioneered radioactivity research
Branches of Physics
- Study of physics divided into multiple branches including mechanics, thermodynamics, electromagnetism, optics, quantum mechanics, and relativity
- Each branch focuses on a specific area of study
Key Concepts
- Matter: has mass and occupies space
- Energy: ability to do work, comes in various forms (kinetic, potential, thermal, etc.)
- Force: push or pull that causes an object to change its motion
- Newton's Laws:
Newton's First Law
- Inertia: object at rest stays at rest, object in motion stays in motion
Newton's Second Law
- Force and acceleration: force applied to an object is equal to its mass times its acceleration
Newton's Third Law
- Action and reaction: every action has an equal and opposite reaction
Measurement and Units
- SI Units:
- Meter (m) for length
- Kilogram (kg) for mass
- Second (s) for time
- Physical Quantities:
- Speed: distance per unit time
- Velocity: speed in a specific direction
- Acceleration: rate of change of velocity
- Momentum: product of mass and velocity
Famous Physicists
- Isaac Newton: developed laws of motion and universal gravitation
- Albert Einstein: developed theory of relativity and famous equation E=mc²
- Marie Curie: discovered radioactive elements and pioneered radioactivity research
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Description
Test your knowledge of the different branches of physics, including mechanics, thermodynamics, electromagnetism, optics, quantum mechanics, and relativity.
