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17 September, 10:50

Anna applies a force of 84n Nto lift her baby nephew 2.0 m. How much work

does Anna do? Answer

+5
Answers (1)
  1. 17 September, 11:12
    0
    168 J

    Explanation:

    Work can be calculated using the following formula.

    w=f*d

    where w is work, f is force, and d is distance.

    Anna applied a force of 84 Newtons, and lifted the baby 2.0 meters.

    f=84 N

    d=2 m

    Substitute these variables into the formula.

    w=84 N * 2 m

    Multiply

    w=168 N-m

    A N-m is the same as a Joule, or J.

    w = 168 Joules

    Anna does 168 Joules of work.
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