# PRINCIPLES OF PHYSICS (003AR)

#### A.Y. 2019 / 2020

Professor
Period
Second semester
Credits
6
Duration/Length
48
Type of Learning Activity
Core subjects
Study Path
[PDS0-2018 - Ord. 2018] common
Syllabus
Teaching language

Italian

Learning objectives

The course aims to provide students with the following skills and knowledge.
D1. Knowledge and understanding: at the end of the course students will have to demonstrate the knowledge of the methods for the static and dynamic analysis of a physical system.
D2. Ability to apply knowledge and understanding: at the end of the course the students will be able to analyze a dynamic system.
D3. Autonomy of judgment: at the end of the course the students must be able to discern between the most effective resolution methods for dynamic analysis.
D4. Communication skills: at the end of the course the students will be able to discuss and illustrate a dynamic problem and the procedures for its analysis.
D5. Learning skills: at the end of the course the students will be able to solve an individual problem by indicating the most appropriate strategies.

Prerequisites

Goniometry and Trigonometry; matrices, differential calculus and integration

Contents

Physical quantities: vectors, definitions, operation with. Position and displacement vector and velocity.
1-D and 2-D motions.
Free body diagram.
Newton’s laws of Dynamics Forces Law: weight, springs and frinction.
Motion on a inclined plane.
Conservative forces and dissipative forces: mechanical energy conservation law and its dissipation.
Systems of material points: Newton’s law for systems and rigid bodies.
Rotation and momentum.
Equilibrium states and angular momentum.
Rotational kinetic energy and roto-traslatory motion.
Temperature and heat: conduction and transmission.
Sound and optics.

Teaching format

Frontal lessons

Extended Programme

The physical quantities: scalar and vector quantities. Vectors: definitions and operations with. Vector formulation of the kinematics of the material point. One-dimensional and two-dimensional motions. Free body diagrams. Principles of dynamics: the second principle as a summa of the three principles. Laws of forces: weight, elastic force, friction force, tension in cables, constraints. Motions on inclined planes. Conservative and non-conservative forces: conservation of mechanical energy and its dissipation. The systems of material points: the first cardinal equation of dynamics, the rigid bodies. Rotations and moments: the second cardinal equation of dynamics. Angular momentum and equilibrium configurations. Rotational kinetic energy and rototraslative motion. Heat energy exchanges: insulating materials. The sound and the geometric optics

End-of-course test

Final exam: a written test that consists of 2 or 3 problems concerning the contents of the course to be carried out completely and correctly. The vote for each problem is expressed in tenths if they are 3, it is expressed in fifteenths if they are 2.

Other information

During the course the moodle platform is used to share information regarding teaching and contents; support material for learning and exercise is systematically uploaded and available to course members. The schedule of lessons is updated in real time.

Texts/Books

Fundamentals Of Physics
by David Halliday, Robert Resnick, Jearl Walker
Wiley

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