Portale di Ateneo - En.Unibs.it

0: Course introduction, presentation and scope

1: Units, Dimensions, and Scaling Arguments
Fundamental Units
Discussion of 'Powers of Ten'
Dimensions
The Art of Making Measurements
Scaling Arguments
Was Galileo Galilei's Reasoning Correct?
Dimensional Analysis

2: Introduction to Kinematics
Introduction to 1-Dimensional Motion
Average Speed vs. Average Velocity
Instantaneous Velocity
Measuring the Average Speed of a Bullet
Average Acceleration
Instantaneous Acceleration
Quadratic Equation of Position in Time
1D Motion with Constant Acceleration
1D Kinematics
Trajectories

3 Vectors
Decomposition of a Vector
Scalar Product
Vector Product
Decomposition of 3D Vectors r, v and a
Projectile Motion in the Vertical Plane

4: 1D and 2D definitions

5: The Motion of Projectiles
Shape of the Projectile Trajectory
How to Measure the Initial Speed?
Shoot a Ball for Maximum Horizontal Distance
Shoot a Ball at a Monkey
Reference Frame of the Falling Monkey

6: Uniform Circular Motion
Uniform Circular Motion and Centripetal Acceleration
There Must be a Pull or a Push
What Happens if there is no Pull or Push?
Motion of Planets around the Sun
Swirling Objects Around
Creating Artificial Gravity via Rotation
A Centrifuge in Action
Swinging a Bucket of Water on a String

7: Newton's First, Second, and Third Laws
Newton's First Law and Inertial Reference Frames
Newton's Second Law
Superposition of Forces and Net Force
Newton's Third Law, Action = -Reaction
Consequences of Newton's Third Law
Decomposing Forces in x and y Directions

8: Weight, Perceived Gravity, and Weightlessnes
What is Weight?
Tension in Massless String
Weight, when Swinging around on a String
Objects in Free Fall are Weightless
Weight Measurements of a Free Falling Object
"Zero Gravity" Experiments

9: Frictional Forces
Normal and Frictional Forces
Measurements of the Coefficient of Static Friction
Another Way to Measure Friction
Ways to Reduce Friction

10: Review of Lectures
Scaling Arguments
Dot Products
Cross Products
1D Kinematics
Trajectories
Uniform Circular Motion

11: Hooke's Law, Simple Harmonic Oscillator
Restoring Force of a Spring
Dynamic Equations of a Displaced Spring
Measuring the Period of a Spring System
Dynamic Equations of a Pendulum
Comparing the Spring and Pendulum Periods

12: Work, Energy, and Universal Gravitation
1D Work and Kinetic Energy
Work Calculated in 3-Dimensions
Gravity is a Conservative Force
When Gravity is the only Force
What Matters is the Difference in Potential Energy
A Roller Coaster, Upside-down
Newton's Law of Universal Gravitation
Conservation of Mechanical Energy and a Wrecking Ball

13: Energy and its conservation

14: Resistive Forces
Resistive and Drag Forces
Two Regimes and the Critical Velocity
Measurements with Steel Balls in fluids
Reaching Terminal Velocity
Air Drag and the Pressure Term
Numerical Calculations of Air Drag Examples
Resistive Forces and Trajectories

15: Equation of Motion for Simple Harmonic Oscillators
Gravitational Potential Energy
Calculating U(x) from F(x) and Vice Versa
Equilibrium Points
Parabolic Potential Energy Well SHO
Circular Potential Energy Well SHO

16: Orbits and Escape Velocity
Escape Velocity
Circular Orbits
Power
Heat and Various Forms of Energy
Energy Conversion
Global Energy Consumption and Sources

17: Momentum and its Conservation
Conservation of Momentum
Kinetic Energy and Momentum for a 1D Collision
Energy and Momentum for a 2D Car Collision
Scenarios that Increase the Kinetic Energy
Center of Mass of a System

18: Elastic and Inelastic Collisions
1D Elastic Collisions
Elastic Collision with a Wall
Center of Mass (CM) Frame of Reference
1D Inelastic Collision and Internal Energy
Newton's Cradle Demonstration

19: Momentum of Individual Objects
Ballistic Pendulum
Impulse and Impact Time
Surprising Bounce Demo
Thrust of a Rocket
Fuel Consumption and Rocket Velocity

20: Review of Lectures
Work-Energy Theorem
Bizarre Spinning Top - Part I
Pendulum, Work and Energy
Bizarre Spinning Top - Part II
Spring, SHO and Initial Conditions
Newton's Law of Universal Gravitation
Resistive Forces, Viscous Term
Collisions and Conservation of Momentum

21: Rotating Rigid Bodies, Inertia, and Axis Theorems
Angular Acceleration in Circular Motion
Kinetic Energy of Rotation - Moments of Inertia
Parallel Axis and Perpendicular Axis Theorems
Energy Management with Flywheels
Rotational KE in Planets and Stars

22: Angular Momentum
Angular Momentum of a Particle
Rate of Change of Angular Momentum
Angular Momentum of Rigid Bodies
Ice Skater
Angular Momentum of a System

23: Torque
Key Equations for Angular Momentum and Torque
Dynamics of a Spinning Rod
Physical Pendulum

24: Rolling Motion, Gyroscopes
Pure Roll of Hollow and Solid Cylinders
Applying Torque to a Spinning Wheel
Precession of a Flywheel
Gyroscope

25: Static Equilibrium, Stability, Rope Walker
Rotation vs. Translation
Stability of a Ladder
Rope Tension Reduced by Friction
Locating the Center of Mass of a Rigid Body
Stability of a Rope Walker

26: Kepler's Laws, Elliptical Orbits, and Change of Orbits
Kepler's Laws and Elliptical Orbits
Elliptical Orbit from Initial Conditions
Changing from Circular to Elliptical Orbits

27: Simple Harmonic Oscillations of Suspended Solid Bodies
Physical Pendulum
Torsional Pendulum

28. Temperature and thermodynamics: zero principle
Pressure and its variation with depth, Archimede force,
Temperature and principle zero
Thermometers and Celsius, gas thermometers at constant volume and absolute scale of temperatures
Thermal expansion of solids and liquids, macroscopic description of perfect gases

30. First principle of thermodynamics
Heat and internal energy, specific heat and calorimetry, latent heat, work and heat in transformations, first principle of thermodynamics, adiabatic, isobar, isochore, isotherm transformations, energy exchanging mechanisms (conduction, convection and irradiation), dewar