https://phet.colorado.edu/en/simulation/legacy/torque

https://per.physics.illinois.edu/per/IE/ie.pl?phys101/ie/09/rotating_block

Spinning mass-string system on a table. Change in radius then asks for work done, the is a multiple concept question but I my approach and theres is grounded in momentum -TYM

-- Fun --

Cats and conservation of angular momentum: https://i.imgur.com/cYpeYmI.gifv