A student’s backpack has a mass of 9.6 kg. The student applies a force of 94.08 N [up] while walking through 1.4 km [E] to get to school. Ca

Question

A student’s backpack has a mass of 9.6 kg. The student applies a force of 94.08 N [up] while walking through 1.4 km [E] to get to school. Calculate the work done by the student on the backpack

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Ngọc Diệp 5 years 2021-09-05T04:37:25+00:00 1 Answers 116 views 0

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  1. binhan
    1
    2021-09-05T04:39:19+00:00
    Reply

    The student does zero work on the backpack because the upward force applied by the student is acting perpendicular to the backpack’s displacement parallel to the ground.

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