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A construction laborer holds a 20 kg sheet of wallboard 3 m above the floor for 4 seconds. During these 4 seconds how much power was expended on the wallboard
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A construction laborer holds a 20 kg sheet of wallboard 3 m above the floor for 4 seconds. During these 4 seconds how much power was expended on the wallboard

User Jan Stanicek
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1 Answer

7 votes

Answer:

zero

Step-by-step explanation:

no distance has moved while holding the sheet...so no distance means no workdone..no workdone means no power...

User Malix
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