Podcast
Questions and Answers
Which of the following is a fundamental quantity?
Which of the following is a fundamental quantity?
- Velocity
- Pressure
- Length (correct)
- Energy
What is an example of a scalar quantity?
What is an example of a scalar quantity?
- Momentum
- Acceleration
- Speed (correct)
- Force
Which of the following is a derived quantity?
Which of the following is a derived quantity?
- Mass
- Density (correct)
- Temperature
- Time
What is an example of a vector quantity?
What is an example of a vector quantity?
Which of the following is NOT a fundamental quantity?
Which of the following is NOT a fundamental quantity?
What is the primary focus of the study of physics?
What is the primary focus of the study of physics?
Which of the following quantities is both a scalar and a fundamental quantity?
Which of the following quantities is both a scalar and a fundamental quantity?
What is the key characteristic that distinguishes fundamental quantities from derived quantities?
What is the key characteristic that distinguishes fundamental quantities from derived quantities?
Which of the following is an example of a quantity that has both magnitude and direction?
Which of the following is an example of a quantity that has both magnitude and direction?
What is the relationship between scalar quantities and vector quantities?
What is the relationship between scalar quantities and vector quantities?
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Study Notes
Physics Fundamentals
- Physics is the study of matter and energy and their relationships.
- Fundamental quantities are basic quantities that are independent of any other quantities.
Fundamental Quantities
- Examples of fundamental quantities include:
- Mass (M)
- Amount of substance (A)
- Length (L)
- Luminous intensity (L)
- Time (T)
- Temperature (T)
Derived Quantities
- Derived quantities are dependent on other quantities.
- Examples of derived quantities include:
- Force
- Energy
- Density
- Speed
- Velocity
- Volume
- Acceleration
- Power
- Pressure
- Moment
- Momentum
Scalar Quantities
- Scalar quantities have magnitude but no direction.
- Examples of scalar quantities include:
- Speed
- Energy
- Work
- Pressure
- Distance
- Volume
- Density
Vector Quantities
- Vector quantities have both magnitude and direction.
- Examples of vector quantities include:
- Velocity
- Force
- Acceleration
- Moment
- Momentum
Physics Fundamentals
- Physics is the study of matter and energy and their relationships.
- Fundamental quantities are basic quantities that are independent of any other quantities.
Fundamental Quantities
- Examples of fundamental quantities include:
- Mass (M)
- Amount of substance (A)
- Length (L)
- Luminous intensity (L)
- Time (T)
- Temperature (T)
Derived Quantities
- Derived quantities are dependent on other quantities.
- Examples of derived quantities include:
- Force
- Energy
- Density
- Speed
- Velocity
- Volume
- Acceleration
- Power
- Pressure
- Moment
- Momentum
Scalar Quantities
- Scalar quantities have magnitude but no direction.
- Examples of scalar quantities include:
- Speed
- Energy
- Work
- Pressure
- Distance
- Volume
- Density
Vector Quantities
- Vector quantities have both magnitude and direction.
- Examples of vector quantities include:
- Velocity
- Force
- Acceleration
- Moment
- Momentum
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