Pablo prepares to lift a barbell. During which stage of the lift does Pablo do work on the barbell?

when he holds the barbell up above his head

when he applies force to the barbell but has not moved it

when he lifts the barbell from the floor to his chest

when he lets go of the barbell and allows it fall to the ground

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Guest

1 December, 05:29

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Singleton · Answer 1

C, when he lifts the barbell from the floor to his chest