# FISICA GENERALE I A - LModule DIDATTICA FRONTALE

Academic Year 2022/2023 - Teacher: Stefano ROMANO

## Expected Learning Outcomes

The training objective of the course is to provide an organic knowledge of classical mechanics and thermodynamics.

The training path to acquire this result is as follows:

● Study of the fundamental laws of classical mechanics of the material point and systems of points with particular regard to kinematics, Newton's laws and conservation principles.

● Study of the dynamics of the rigid body

● Study of universal gravitation

● Study of oscillatory and wave phenomena

● Study of fluid mechanics

● Study of elements of thermology

● Study of the laws of thermodynamics and applications to different physical systems.

The approach to the description of the systems and phenomena described above will be experimental like and the physical theories will be presented in terms of logical and mathematical structure and of experimental evidence. At the end of the course, the student will have acquired inductive and deductive reasoning skills, will be able to outline a phenomenon in terms of physical quantities and to set up a problem and solve it with analytical methods. The student will apply the scientific method to the study of natural phenomena and will be able to critically evaluate similarities and differences between physical systems and the methodologies to be applied. The student will be able to expose a topic of classical mechanics and / or thermodynamics with language properties, focusing on the inductive / deductive process which, from the starting hypotheses, allows one to reach conclusions.

## Course Structure

frontal teaching with student involvement.

## Required Prerequisites

It is fundamental for the student to have mastery of the subjects of elementary mathematics (algebra, geometry, trigonometry, analytical geometry) and knowledge of those of mathematical analysis(differential and integral calculus). In fact, for the presentation of the physical concepts included in the course content, the following mathematical tools are used: equations and systems of 1st and 2nd degree equations, trigonometric functions and their properties, exponential functions and their properties, logarithmic functions and their properties, equations of loci in the plane and in space, derivatives and integrals of functions of one variable, constant coefficient linear differential equations. For the self-paced learning, and/or consolidation, of the required preliminary knowledge, the mathematics and basic calculus courses available on e-learning platforms such as, for example, Federica Web Learning and Coursera for Campus, to which students of the University have access, may be useful.

## Attendance of Lessons

Mandatory, as stated in the Didactic Regulation

## Detailed Course Content

Mechanics of material point

• kinematics: motion in one, two, three dimensions

• Reference systems and relative motions

• laws of dynamics

• strength, work, kinetic energy

• momentum

• conservative forces, potential energy

• conservation theorems

• angular momentum

• moment of a force/torque

• central forces

Mechanics of systems of material points

• center of mass, reduced mass

• momentum conservation

• angular momentum conservation

• konig theorems

• kinetic energy theorem

• elastic and inelatic collisions

Dynamics of the rigid body

• definition of a rigid body

• rotations around a fixed axis

• moment of inertia

• Huygens-Steiner theorem

• pure rolling motion

• angular impulse and moment of impulse

• ellipsoid of inertia

• gyroscope

• free rigid body

• static

Gravitation

• Kepler's laws

• law of universal gravitation

• inertial and gravitational mass

• gravitational field

• gravitational potential energy

• gauss theorem

• calculation of orbits

Elastic properties of solids

• traction and compression

• scrolling

• compressibility

• torsion balance

Oscillations and waves

• harmonic oscillator

• Damped harmonic oscillator

• forced harmonic oscillator

• resonance

• longitudinal and transverse waves

• Fourier analysis

• physical nature of sound

Mechanical properties of fluids

• fluids statics: law of Stevino, Pascal, and Archimedes

• fluids dynamics

• steady regime and Bernoulli's theorem

• viscosity

• laminar and vortex motion

THERMODYNAMICS

• temperature and thermometry

• equation of state for gases

• kinetic theory of gases

• work and heat

• first law of thermodynamics

• second law of thermodynamics

• entropy

• thermodynamic transformations

• thermodynamic potentials

• phase changes

• real gases

• third law of thermodynamics

## Textbook Information

1) R. Mazzoldi, M. Nigro, C. Voci, Fisica – Vol. I , EdiSES - Napoli (Italia)

2) Focardi S., Massa I., Uguzzoni A., Villa M. - Fisica generale - MECCANICA E TERMODINAMICA, Casa editrice Ambrosiana

3) Halliday, Resnick, Krane, Fisica 1, Casa editrice Ambrosiana

4) Zemansky, Calore e Termodinamica, Zanichelli

5) Fermi, Termodinamica, Bollati Boringhieri

## Course Planning

SubjectsText References
1Mechanics of material point: 14 hours
2Mechanics of systems of material points: 10 hours
3Dynamics of the rigid body: 10 hours
4Gravitation: 10 hours
5Elastic properties of solids: 4 hours
6Oscillations and waves: 14 hours
7 Mechanical properties of fluids: 8 hours
8THERMODYNAMICS: 21 hours

## Learning Assessment

### Learning Assessment Procedures

The exam consists of a written test and an oral interview. The written test consists of 3 (or 4) problems to be solved in a maximum time of 2 hours. To know the type of problems proposed, consult the website http://nanostar.jimdo.com/.The evaluation of the written test will take into account the problem solving approach, the

correctness of the numerical calculations and significant values, the arguments supporting the procedure followed. The minimum mark for admission to the oral exam is 18/30.The evaluation of the oral interview will take into account the student's ability to use orders of magnitude in the analysis of a phenomenon, the ability to critically evaluate similarities and differences between physical systems, the level of depth of the contents exposed and its properties of language and of exposure.The written test has limited validity, it is necessary to complete the exam by passing the oral

exam in the same calendar year as the written test. If the student does not complete the exam

within the calendar year, he must repeat the written test.

In addition, for attending students:the exam can be divided into two partial tests: one relating to mechanicsand gravitation (first partial test) and the second relating to thermodynamics,and fluid mechanics (second partial test). Passing both partial tests willdetermine the achievement of the exam. These partial tests are to be consideredadditional opportunities with respect to the exams and do not precludeparticipation in the ordinary exam sessions.Both partial tests consist of a written test and an oral interview. Thewritten test consists of 3 problems to be solved in a maximum time of 2 hours(http://nanostar.jimdo.com/). The minimum mark for admission to the respectiveoral interviews is 15/30.

The first test takes place at the end of the first teaching period, in theFebruary exam session. Students who pass the written test will have access tothe oral interview which will determine admission to the second partial test. The second partial test can be held in each of the ordinary sessions of thesecond and third session, according to the official calendar. The student whohas passed the second written test will have access to the oral interview whichwill determine the final result of the exam.The student who passes the second written test is allowed to take thesecond oral interview even in a subsequent session, as long as it is within thecalendar year of the written test.

The two partial written tests can be replaced by ongoing tests to bescheduled in agreement between the teacher and students.

Information fo students with disabilities and/or SLD

In order to guarantee equal opportunities and in compliance with the laws in force, interestedstudents can ask for a personal interview in order to plan any compensatory and/or dispensatory

measures, according to the educational objectives and specific needs. It is also possible tocontact the CInAP (Centro l'Integrazione Attiva e Partecipata - Servizi per le Disabilità e/o DSA)

contact-person of the Department, Prof. Catia Petta.