Zak, helping his mother rearrange the furniture in their living room, moves a 60.9 kg sofa 6.3 m with a constant force of 17 N. -?

What is the work done by Zak on the sofa? Neglect friction

Answer in units of J.

What is the average acceleration of the sofa?

Answer in units of m/s^2.

1 Answer

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  • NCS
    Lv 7
    1 month ago
    Favourite answer

    work = F*d = 17N * 6.3m = 107.1 J ≈ 110 J

    acceleration = F / m = 17N / 60.9kg = 0.28 m/s²

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