Formula of kinetic energyrotation in vertical circle

1.	Formula of kinetic energyrotation in vertical circle
Answer» According to me it should be as The formula for rotational KE ( 12Iω212Iω2) is DERIVED by ADDING up the KE of each particle in a rigid BODY in pure rotation. When body has both rotation and translation, we can DERIVE that: KE=KER+KET=12Icomω2com+12mv2comKE=KER+KET=12Icomωcom2+12mvcom2 In this case, the point particle has no ωω about its center of mass, so no problem. Though we can STILL apply the pure rotation formula.

Answer»

According to me it should be as The formula for rotational KE (

12Iω212Iω2) is DERIVED by ADDING up the KE of each particle in a rigid BODY in pure rotation. When body has both rotation and translation, we can DERIVE that:

KE=KER+KET=12Icomω2com+12mv2comKE=KER+KET=12Icomωcom2+12mvcom2

In this case, the point particle has no ωω about its center of mass, so no problem. Though we can STILL apply the pure rotation formula.

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Formula of kinetic energyrotation in vertical circle

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