Unit PHYSICS
- Course
- Economics and culture of human nutrition
- Study-unit Code
- GP000462
- Curriculum
- In all curricula
- Teacher
- Francesca Ripanti
- Teachers
-
- Francesca Ripanti
- Sara Catalini (Codocenza)
- Hours
- 18 ore - Francesca Ripanti
- 36 ore (Codocenza) - Sara Catalini
- CFU
- 6
- Course Regulation
- Coorte 2022
- Offered
- 2022/23
- Learning activities
- Base
- Area
- Matematiche, fisiche, informatiche e statistiche
- Academic discipline
- FIS/07
- Type of study-unit
- Obbligatorio (Required)
- Type of learning activities
- Attività formativa monodisciplinare
- Language of instruction
- Italian
- Contents
- The course is organized in two modules.
Part I: Physical quantities and units of measurements. Elements of mechanics: kinematics and dynamics of the material point, work and energy.
Part II: Statics and dynamics of fluids. Elements of calorimetry and thermodynamics. - Reference texts
- The following textbooks are advised, alternatively:
- Young, Freedman, Ford, Principi di Fisica, Vol. 1, PEARSON;
- Jewett, Serway, Principi di Fisica, Vol. 1, EdiSES. - Educational objectives
- The student is expected to acquire the basic knowledge about the physical laws that are fundamental for the comprehension of natural, productive and technological processes: physical quantities and units, vector calculations, kinematics and dynamics of the material point, work and energy, statics and dynamics of fluids, calorimetry, thermodynamics. The student is also expected to apply such knowledge in the solution of simple problems and practical applications.
- Prerequisites
- Basic notions of algebra (power, roots, solution of first and second order equations), geometry (angles, properties of triangles, Cartesian systems, area and volume of common plane and solid figures), analysis (elementary functions like polynomial, trigonometric, exponential and logarithmic functions, derivatives and graphical interpretation, integrals of simple functions).
- Teaching methods
- The course consists of 27 lectures of two hours each. The didactical approach is the frontal lecture, with demonstrations carried out on the blackboards and the use of slides when needed. Each lecture is organized with a part of theoretical explanation and a part of exercises, with a guided solution of the problems proposed.
- Other information
- Attending the lectures and exercise classes is not mandatory, but advised.
- Learning verification modality
- The evaluation is carried out by a written test. The test (120 minutes duration) is composed by 12 exercises/theory questions. For what concern DSA students please check http://www.unipg.it/disabilita-e-dsa
- Extended program
- Units, dimensions, measurements, orders of magnitude, estimates, dimensional Analysis.
Motion: reference systems, approximations. Motion in one dimension: position, displacement, average velocity, velocity, acceleration. Motion with constant velocity. Motion with constant acceleration. Free-fall under gravity. Vectors and their components, elementary vector operations. Motion in two and three dimensions: position, displacement, average velocity, velocity, average acceleration, acceleration. Projectile motion. Uniform circular motion.
Forces: motion and equilibrium. Mass. Newton's first, second and third law. Some specific forces: weight, normal component of the reaction, tension, friction, elastic forces. Work. Calculation of the work in elementary cases. Kinetic energy. Work-energy theorem. Conservative forces and potential energy. Calculation of the potential energy in elementary cases. Spring potential energy. Conservation of energy. Non-conservative forces and dissipation.
Properties of fluids: density, pressure. Statics of fluids: Stevino’s law, Pascal’s principle, Archimede’s principle. Dynamics of ideal fluids: flow, flow lines, laminar motion, continuity equation, Bernoulli’s equation.
Temperature: thermal equilibrium and zero law of thermodynamics. Celsius and Kelvin scales. Thermal expansion (linear, surface, volume expansion). Heat. Thermal capacity and specific heat. Latent heat and phase transition. Heat transfer mechanisms. Thermodynamic systems and their properties. Thermodynamic transformations. Equations of state. Perfect gas and their equation of state. Kinetic theory of the perfect gas. Work in thermodynamics. First law of thermodynamics. Internal energy and temperature. Thermodynamic transformations of the perfect gas and first law. Thermodynamic cycles. Thermal machines and refrigerators, ideal machines and efficiency. Second law of thermodynamics (Kelvin’s and Clausius’s formulations, equivalency). Entropy.