Deriving rotational inertia and moment of inertia for common shapes

Calculating torque from a force applied perpendicular to a door

Calculating torque with a force applied at 35 degrees

Net torque on a wheel with three forces and friction

Calculating force on a wrench given torque and length

Calculating force on each side of a six-sided bolt head

Moment of inertia of two masses on a rod rotating about its center

Calculating moment of inertia with axis offset 0.4 m from the 4.0 kg mass

Finding moment of inertia of a pulley with frictional torque

Moment of inertia of a uniform sphere rotating through its center

Calculating moment of inertia of a bicycle wheel as a thin hoop

Moment of inertia of a helicopter rotor blade as a thin rod

Finding acceleration of an Atwood machine with a massive pulley

Calculating tensions T1 and T2 using acceleration from part a