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Social Studies, 25.07.2020 23:01 kaykayhodge

You're working for FedEx lifting boxes onto a truck from the ground nearby. There's a ramp attached to the end of the truck that some other people are using to walk boxes up into it. Who is doing more work on the boxes (assuming they're identical): the people walking the boxes up, or you lifting the boxes straight into the truck?

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You're working for FedEx lifting boxes onto a truck from the ground nearby. There's a ramp attached...
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