A solid sphere, a thin spherical shell, and a solid cylinder each have a radius of 3 cm and a mass of 5 kg. They each start from rest and roll without slipping down a hill with a height of 7 m. Rank the change in potential energy of the objects as they go from the top to the bottom of the hill.  (a) ΔPEshell>ΔPEsphere>ΔPEcylΔPEshell>ΔPEsphere>ΔPEcyl  (b) ΔPEsphere>ΔPEcyl>ΔPEshellΔPEsphere>ΔPEcyl>ΔPEshell  (c) ΔPEshell>ΔPEcyl>ΔPEsphereΔPEshell>ΔPEcyl>ΔPEsphere  (d) ΔPEshell=ΔPEsphere=ΔPEcylΔPEshell=ΔPEsphere=ΔPEcyl  (e) ΔPEsphere>ΔPEshell>ΔPEcyl

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.