A door has a mass of 50 kg and has a width of 750 mm. If the door has a radius of gyration of 500 mm, what will its angular acceleration be when the edge opposite the hinged side is given a...

A door has a mass of 50 kg and has a width of 750 mm. If the door has a radius of gyration of 500 mm, what will its angular acceleration be when the edge opposite the hinged side is given a right-angled push of 24 N?

A fywheel has a mass of 360 kg and a radius of gyration of 600 mm and is rotating at 10 rev/s. What uniform torque will be required to bring it to rest in 30 s?