Angular momentum

Concept — Rotational quantity analogous to momentum.

Present in chapters

06 · 07 · 08

Linked atoms

23 linked atoms.

06 Centro di massa

• Quantities summarised and decomposed
• The spinning diver
• Angular momentum
• König’s theorem for angular momentum

07 Dinamica rotazionale

• Complete translation–rotation analogy
• Worked exercise — optimal height for the cue strike
• Angular impulse
• The conservation law
• The billiard ball: where to strike?
• Problem — Bicycle and gyroscopic effect
• Problem — The boomerang that returns
• Problem — Angular momentum of Earth’s own rotation
• Problem — Earth’s orbital angular momentum
• Problem — Rectangular torque and L(t)
• Problem — Ranking ω at equal angular momentum
• Problem — Slowing top and nutation
• Problem — Top and precession
• When to use L = Iω and Ecin = ½Iω²

08 Gravitazione universale

• Comet at perihelion and aphelion
• Conservation of angular momentum and Kepler’s second law

21 Introduzione alla meccanica quantistica

• The electron as a standing wave
• The four equations of the Bohr model
• Electron spin and the Pauli principle