Question

a Porter carrying load on his head moves up a staircase is he doing any work

Answer 1

hlo mate

here's your answer

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A Potter carrying load on his head moves upstairs. yes he is doing a work.
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hope it helps you

Answer 2

$\huge\mathbb\purple {Hello \: mate }$

Here's your answer

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A Potter carrying load on his head moves up a staircase. yes he is doing more as it need energy to do this work.

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$<b>hope it helps you </b>$