Angular velocity

Concept — Rate of change of angle in rotational motion.

Present in chapters

03 · 07

Linked atoms

22 linked atoms.

01 Cinematica

• Period, frequency and angular velocity
• Tangential velocity and centripetal acceleration

03 Piano inclinato e moto circolare

• Centripetal acceleration of Earth’s rotation
• Edge of the CD
• Proof of centripetal acceleration
• Discs in contact: gears
• Coaxial discs
• Discs connected by a belt
• Rotating disc: edge velocity
• Magnitude versus vector
• Ball on a rotating spring
• Conical pendulum
• Four linked discs
• Ranking points on a rotating disc
• Summary table of the three cases
• Three rules, one idea
• Angular velocity and sign convention

07 Dinamica rotazionale

• Angular acceleration
• Problem — Wheel at 40 revolutions per minute
• Problem — Fermi estimate: tyre on the motorway
• Problem — Angular velocity of the minute hand
• Problem — True or false on moment of inertia