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Questions and Answers
Which concept in physics is typically associated with the laws of motion?
Which concept in physics is typically associated with the laws of motion?
- Kinematics (correct)
- Optics
- Thermodynamics
- Electromagnetism
What is the primary focus of Newton's first law of motion?
What is the primary focus of Newton's first law of motion?
- Acceleration
- Inertia (correct)
- Velocity
- Force
In the context of physics, what does the term 'motion' refer to?
In the context of physics, what does the term 'motion' refer to?
- Heat transfer
- Change in position over time (correct)
- Electron movement
- Light transmission
According to the laws of motion, what happens when a net force acts on an object?
According to the laws of motion, what happens when a net force acts on an object?
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Which quantity remains constant for an object in free fall near the surface of the Earth?
Which quantity remains constant for an object in free fall near the surface of the Earth?
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Study Notes
Laws of Motion
- The laws of motion are a set of three physical laws that describe the relationship between a body and the forces acting upon it
Laws
- There are three laws of motion:
First Law
- Also known as the law of inertia
- An object at rest will remain at rest, and an object in motion will continue to move with a constant velocity, unless acted upon by an external force
Second Law
- Force is equal to the rate of change of momentum
- F = ma (force equals mass times acceleration)
Third Law
- For every action, there is an equal and opposite reaction
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