Podcast
Questions and Answers
What is the standard of length based on?
What is the standard of length based on?
How many weeks are dedicated to the topic of Statics and Torque in the course?
How many weeks are dedicated to the topic of Statics and Torque in the course?
Which of the following is NOT considered a basic quantity in mechanics?
Which of the following is NOT considered a basic quantity in mechanics?
What type of exam has the highest weightage in the course evaluation?
What type of exam has the highest weightage in the course evaluation?
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What is the total mark for quizzes and assignments combined in the evaluation scheme?
What is the total mark for quizzes and assignments combined in the evaluation scheme?
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Which chapter covers Fluid Dynamics and Its Biological and Medical Applications?
Which chapter covers Fluid Dynamics and Its Biological and Medical Applications?
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Which of the following basic quantities is represented by 'T' in mechanics?
Which of the following basic quantities is represented by 'T' in mechanics?
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What is the total number of chapters addressed in the course timeline?
What is the total number of chapters addressed in the course timeline?
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What does the equation $F = \frac{G M m}{r^2}$ represent?
What does the equation $F = \frac{G M m}{r^2}$ represent?
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If the gravitational force is measured in kg·m/s², what are the SI units of the constant G?
If the gravitational force is measured in kg·m/s², what are the SI units of the constant G?
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In the equation $F = G \frac{M m}{r^2}$, what does 'r' represent?
In the equation $F = G \frac{M m}{r^2}$, what does 'r' represent?
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What can be inferred about the relationship between 'm' and 'n' if $1= n + m$?
What can be inferred about the relationship between 'm' and 'n' if $1= n + m$?
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Using dimensional analysis, what is the correct dimensional formula for the equation $LT^{-2} = L^n T^{-m}$?
Using dimensional analysis, what is the correct dimensional formula for the equation $LT^{-2} = L^n T^{-m}$?
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If $a \propto r^n v^m$, which of the following equations correctly describes the relationship?
If $a \propto r^n v^m$, which of the following equations correctly describes the relationship?
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What does the constant 'k' represent in the equation $a = k r^{-1} v^{m}$?
What does the constant 'k' represent in the equation $a = k r^{-1} v^{m}$?
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Which of the following describes an incorrect statement regarding the equation $a \propto r^{n} v^{m}$?
Which of the following describes an incorrect statement regarding the equation $a \propto r^{n} v^{m}$?
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What is the mass defined by the International System of Units (SI)?
What is the mass defined by the International System of Units (SI)?
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How is time defined in the International System of Units?
How is time defined in the International System of Units?
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Which conversion correctly represents the length conversion between miles and kilometers?
Which conversion correctly represents the length conversion between miles and kilometers?
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What is the formula used to determine the volume of a cube?
What is the formula used to determine the volume of a cube?
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What is the density of the cube with mass 856 g and edge length 5.35 cm, converted to SI units?
What is the density of the cube with mass 856 g and edge length 5.35 cm, converted to SI units?
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Which measurement represents the amount of substance in the International System of Units?
Which measurement represents the amount of substance in the International System of Units?
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Which unit of electric current is included in the International System of Units?
Which unit of electric current is included in the International System of Units?
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What characterizes the platinum-iridium (Pt-Ir) alloy cylinder used to define the kilogram?
What characterizes the platinum-iridium (Pt-Ir) alloy cylinder used to define the kilogram?
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What is the dimension of kinetic energy?
What is the dimension of kinetic energy?
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Which relationship can be inferred from the dimensions of potential energy?
Which relationship can be inferred from the dimensions of potential energy?
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If acceleration is represented as a, what is its dimension?
If acceleration is represented as a, what is its dimension?
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In dimensional analysis, if distance x is proportional to t raised to the power of n and acceleration a raised to the power of m, what is the value of n when deriving the formula x = k at^2?
In dimensional analysis, if distance x is proportional to t raised to the power of n and acceleration a raised to the power of m, what is the value of n when deriving the formula x = k at^2?
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What is the primary use of dimensional analysis in physics?
What is the primary use of dimensional analysis in physics?
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Which of the following ratios has the dimension of velocity?
Which of the following ratios has the dimension of velocity?
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Which formula represents the distance x traveled under constant acceleration a in time t?
Which formula represents the distance x traveled under constant acceleration a in time t?
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What must be the condition for dimensional homogeneity in a derived formula?
What must be the condition for dimensional homogeneity in a derived formula?
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Study Notes
Course Information
- Course: Physics (F/R-001)
- Instructor: Dr. Mohaned Mohammed
- Department: School of Biotechnology, Badr University, Assiut
- Textbooks:
- Physics for Scientists and Engineers, R.A. Serway and J.W. Jewett, 8th Edition, Thomson Books/Cole 2013
- College Physics, PAUL PETER URONE, ROGER HINRICHS, OpenStax
- Delivery method: Face-to-face
Evaluation
- Mid-term exam: 10 marks
- Quizzes/assignments: 10 marks
- Practical exam: 20 marks
- Oral exam: 10 marks
- Final exam: 50 marks
Course Topics & Timeline
- Chapter 1 (2 weeks): Physics and Measurement
- Chapter 2 (4 weeks): Statics and Torque
- Chapter 3 (2 weeks): Fluid Statics
- Chapter 4 (2 weeks): Fluid Dynamics and its Biological & Medical Applications
- Chapter 5 (2 weeks): Physics of Hearing
- Final Exam:
Chapter 1: Physics and Measurements
-
Topics:
- Standards of length, mass, and time
- Conversion of units
- Dimensional Analysis
1. Standards of Length, Mass, and Time
- Length: Based on the speed of light in a vacuum
- Meter: Distance traveled by light in vacuum during 1/299,792,458 of a second
- Mass: Based on the mass of a platinum-iridium (Pt-Ir) alloy cylinder
- Kilogram: Mass of a Pt-Ir alloy cylinder (stable)
- Time: Based on the atomic clock
- Second: Characterized by the frequency (period of vibration) of radiation from a Cesium-137 (Cs137) atom (1 sec = 9 192 631 770 x T)
International System (SI) of Units
- Established in 1960 by an International committee
- Standard units for:
- Length (meter, m)
- Mass (kilogram, kg)
- Time (second, s)
- Electric Current (ampere, A)
- Temperature (Kelvin, K)
- Luminous Intensity (candela, cd)
- Amount of substance (mole, mol)
- Other systems:
- Centimeter-gram-second (cgs)
- British Engineering
2. Conversion of Units
- Converting units from one system to another is sometimes necessary
- Examples provided in the slides
3. Dimensional Analysis
- Dimensions denote the physical nature of a quantity
- Basic quantities in mechanics: Length (L), Mass (M), Time (T)
- Dimensions of some physical quantities are listed, along with their corresponding formulas in terms of Length (L), Mass (M), and Time (T).
Dimensional Analysis Examples
- Provided examples of checking and deriving formulas in this section.
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Description
Test your knowledge on the fundamental concepts covered in Chapter 1 of Physics for Scientists and Engineers. This quiz focuses on standards of length, mass, and time, as well as unit conversions and dimensional analysis. Sharpen your understanding of measurements in physics!
