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Natural Sciences · Advanced

Rotation & Torque

Everything that turns, from doors and seesaws to wheels, planets and figure skaters, follows the rotational versions of Newton's laws. Learn about torque, centre of mass, rotational inertia and the conservation of angular momentum.

7 lessons~35 min0/7 complete
1

Turning Forces

Torque, levers and balance.

  1. Torque & LeversForce × distance
  2. Centre of MassBalance and stability
2

Spinning

Rotational inertia and angular momentum.

  1. Rotational InertiaThe rolling race
  2. Angular MomentumThe spinning skater
3

Energy in Rotation

Flywheels and rolling.

  1. Rotational EnergyTorque, spin-up and flywheels
  2. Rolling and UnrollingEnergy split, yo-yos and bowling balls
  3. Will the Ladder Slip?Balancing forces and torques

Courses that build on this

Ready for more? These courses use what you learn in Rotation & Torque.

Natural Sciences · Advanced

Spinning Tops & Gyroscopes

Why spinning things refuse to fall, how Earth’s axis wobbles, how bikes balance and spacecraft turn.

7 lessons3 chapters